---
OA_type: closed access
_id: '20055'
abstract:
- lang: eng
text: Supercrystals represent three-dimensional orderings of colloidal nanocrystals
(NCs), showcasing collective properties in photonics, phononics, and electronics
applications.1,2 Recent studies have shown that such assemblies are directly produced
during nanocrystal reactions.3–6 However, a fundamental understanding of in situ
formed supercrystals that withstand typical NC purification processes remains
underexplored, which is important for further use. Herein, we report the reaction
precursor-mediated formation of stable PbTe supercrystals. Rationalizing the formation
of these assemblies through small-angle x-ray scattering (SAXS) measurements,
we unveil their formation mechanism. Our findings reveal that the supercrystal
formation occurs in the presence of an excess of lead oleates in the crude solution.
It should be noted that the formed supercrystals can be stabilized under specific
conditions determined by the lead oleate cluster concentration, content of trioctylphosphine
telluride (TOP-Te), NC size and the need of an annealing step at mild conditions.
Furthermore, this approach allows for the continuous growth of a secondary phase
within the supercrystal; for example in the case of PbTe supercrystals, a PbS
shell can be grown on each PbTe NC constituent, resulting in core-shell PbTe-PbS
supercrystals. Our work elucidates that reaction precursors play an important
role in in situ SC formation and stabilization, implying the possibility of applying
this knowledge to other NC reactions.
acknowledged_ssus:
- _id: EM-Fac
- _id: NMR
- _id: LifeSc
acknowledgement: ISTA and the Werner Siemens Foundation financially supported this
work. The Scientific Service Units (SSU) of ISTA supported this research through
resources provided by the Electron Microscopy Facility (EMF), NMR Facility and the
Lab Support Facility (LSF).
article_number: '173'
article_processing_charge: No
author:
- first_name: Seungho
full_name: Lee, Seungho
id: BB243B88-D767-11E9-B658-BC13E6697425
last_name: Lee
orcid: 0000-0002-6962-8598
- first_name: Daniel
full_name: Balazs, Daniel
id: 302BADF6-85FC-11EA-9E3B-B9493DDC885E
last_name: Balazs
orcid: 0000-0001-7597-043X
- first_name: Sharona
full_name: Horta, Sharona
id: 03a7e858-01b1-11ec-8b71-99ae6c4a05bc
last_name: Horta
- first_name: Aiswarya
full_name: Rayaroth Puthiyaveettil, Aiswarya
id: 8aceb01b-8972-11ed-ae7b-d5fe53775add
last_name: Rayaroth Puthiyaveettil
- first_name: Maria
full_name: Ibáñez, Maria
id: 43C61214-F248-11E8-B48F-1D18A9856A87
last_name: Ibáñez
orcid: 0000-0001-5013-2843
citation:
ama: 'Lee S, Balazs D, Horta S, Rayaroth Puthiyaveettil A, Ibáñez M. Reaction precursor-mediated
formation of stable supercrystals in colloidal nanocrystal synthesis: PbTe case.
In: Proceedings of the MATSUS Spring 2025 Conference. Fundació de la comunitat
valenciana SCITO; 2025. doi:10.29363/nanoge.matsusspring.2025.173'
apa: 'Lee, S., Balazs, D., Horta, S., Rayaroth Puthiyaveettil, A., & Ibáñez,
M. (2025). Reaction precursor-mediated formation of stable supercrystals in colloidal
nanocrystal synthesis: PbTe case. In Proceedings of the MATSUS Spring 2025
Conference. Sevilla, Spain: Fundació de la comunitat valenciana SCITO. https://doi.org/10.29363/nanoge.matsusspring.2025.173'
chicago: 'Lee, Seungho, Daniel Balazs, Sharona Horta, Aiswarya Rayaroth Puthiyaveettil,
and Maria Ibáñez. “Reaction Precursor-Mediated Formation of Stable Supercrystals
in Colloidal Nanocrystal Synthesis: PbTe Case.” In Proceedings of the MATSUS
Spring 2025 Conference. Fundació de la comunitat valenciana SCITO, 2025. https://doi.org/10.29363/nanoge.matsusspring.2025.173.'
ieee: 'S. Lee, D. Balazs, S. Horta, A. Rayaroth Puthiyaveettil, and M. Ibáñez, “Reaction
precursor-mediated formation of stable supercrystals in colloidal nanocrystal
synthesis: PbTe case,” in Proceedings of the MATSUS Spring 2025 Conference,
Sevilla, Spain, 2025.'
ista: 'Lee S, Balazs D, Horta S, Rayaroth Puthiyaveettil A, Ibáñez M. 2025. Reaction
precursor-mediated formation of stable supercrystals in colloidal nanocrystal
synthesis: PbTe case. Proceedings of the MATSUS Spring 2025 Conference. MATSUS:
Materials for Sustainable Development Conference, 173.'
mla: 'Lee, Seungho, et al. “Reaction Precursor-Mediated Formation of Stable Supercrystals
in Colloidal Nanocrystal Synthesis: PbTe Case.” Proceedings of the MATSUS Spring
2025 Conference, 173, Fundació de la comunitat valenciana SCITO, 2025, doi:10.29363/nanoge.matsusspring.2025.173.'
short: S. Lee, D. Balazs, S. Horta, A. Rayaroth Puthiyaveettil, M. Ibáñez, in:,
Proceedings of the MATSUS Spring 2025 Conference, Fundació de la comunitat valenciana
SCITO, 2025.
conference:
end_date: 2025-03-07
location: Sevilla, Spain
name: 'MATSUS: Materials for Sustainable Development Conference'
start_date: 2025-03-03
corr_author: '1'
date_created: 2025-07-21T08:33:20Z
date_published: 2025-03-15T00:00:00Z
date_updated: 2026-02-19T09:25:57Z
day: '15'
department:
- _id: MaIb
- _id: LifeSc
doi: 10.29363/nanoge.matsusspring.2025.173
language:
- iso: eng
month: '03'
oa_version: None
project:
- _id: 9B8F7476-BA93-11EA-9121-9846C619BF3A
name: 'HighTE: The Werner Siemens Laboratory for the High Throughput Discovery of
Semiconductors for Waste Heat Recovery'
publication: Proceedings of the MATSUS Spring 2025 Conference
publication_status: published
publisher: Fundació de la comunitat valenciana SCITO
quality_controlled: '1'
status: public
title: 'Reaction precursor-mediated formation of stable supercrystals in colloidal
nanocrystal synthesis: PbTe case'
type: conference
user_id: 2DF688A6-F248-11E8-B48F-1D18A9856A87
year: '2025'
...
---
OA_place: publisher
OA_type: hybrid
_id: '20191'
abstract:
- lang: eng
text: High-entropy alloys (HEAs) show great potential for catalyzing complex multi-step
reactions, but optimizing their parameters, i.e., composition, but also their
crystallinity and morphology, remains a significant challenge. In this study,
FeCoNiMoW HEAs are synthesized into either amorphous nanosheets (HEANS) or crystalline
nanoparticles (HEANP), which are then used to catalyze the lithium–sulfur (Li–S)
reaction of Li–S batteries (LSBs). Evaluations in symmetric cells, coin cells,
and pouch cells reveal that HEANS significantly enhance LSB performance, achieving
initial discharge capacities up to 1632 mAh g−1. The batteries also exhibit excellent
cycling stability over 1000 cycles at 3Cand maintain high-rate performance up
to 10C with a capacity of 614 mAh g−1. Comprehensive in situ analyses and density
functional theory calculations demonstrate that amorphous HEANS provide more active
sites, better ionic conductivity and stronger chemical interactions with lithium
polysulfides (LiPS). These properties effectively suppress the shuttle effect,
promote the complete S8 → Li2S conversion by reducing the impedance of the solid-electrolyte
interphase, and accelerate the Li2S4 → Li2S2 step by lowering the nucleation energy
barrier. Overall, this study highlights the superior catalytic properties of amorphous
2D HEAs in LSBs and offers new insights into the mechanisms of LiPS conversion.
acknowledged_ssus:
- _id: EM-Fac
acknowledgement: The authors acknowledge support from the 2BoSS project of the ERA-MIN3
program with the Spanish grant number PCI2022-132985/AEI/10.13039/50110001103, and
funding from Generalitat de Catalunya 2021SGR01581 and European Union NextGenerationEU/PRTR.
L.Yang, C.Huang, X.Lu, A.Yu, C.Li, J.Yu, and X.Bi thank the China Scholarship Council
(CSC) for the scholarship support. This research was supported by the Scientific
Service Units (SSU) of ISTA through resources provided by the Electron Microscopy
Facility (EMF), and by the Werner Siemens Foundation (WSS) for financial support.
article_number: e13859
article_processing_charge: Yes (in subscription journal)
article_type: original
author:
- first_name: Ren
full_name: He, Ren
last_name: He
- first_name: Seungho
full_name: Lee, Seungho
id: BB243B88-D767-11E9-B658-BC13E6697425
last_name: Lee
orcid: 0000-0002-6962-8598
- first_name: Yang
full_name: Ding, Yang
last_name: Ding
- first_name: Chen
full_name: Huang, Chen
last_name: Huang
- first_name: Xuan
full_name: Lu, Xuan
last_name: Lu
- first_name: Lirong
full_name: Zheng, Lirong
last_name: Zheng
- first_name: Ao
full_name: Yu, Ao
last_name: Yu
- first_name: Chaoyue
full_name: Zhang, Chaoyue
last_name: Zhang
- first_name: Canhuang
full_name: Li, Canhuang
last_name: Li
- first_name: Xiaoyu
full_name: Bi, Xiaoyu
last_name: Bi
- first_name: Yaqiang
full_name: Li, Yaqiang
last_name: Li
- first_name: Yaqi
full_name: Liao, Yaqi
last_name: Liao
- first_name: Junshan
full_name: Li, Junshan
last_name: Li
- first_name: Ahmad
full_name: Ostovari Moghaddam, Ahmad
last_name: Ostovari Moghaddam
- first_name: Salimov
full_name: Yernar, Salimov
last_name: Yernar
- first_name: Ying
full_name: Xu, Ying
last_name: Xu
- first_name: Maria
full_name: Ibáñez, Maria
id: 43C61214-F248-11E8-B48F-1D18A9856A87
last_name: Ibáñez
orcid: 0000-0001-5013-2843
- first_name: Chaoqi
full_name: Zhang, Chaoqi
last_name: Zhang
- first_name: Linlin
full_name: Yang, Linlin
last_name: Yang
- first_name: Yingtang
full_name: Zhou, Yingtang
last_name: Zhou
- first_name: Andreu
full_name: Cabot, Andreu
last_name: Cabot
citation:
ama: He R, Lee S, Ding Y, et al. Amorphous high entropy alloy nanosheets enabling
robust Li–S batteries. Advanced Functional Materials. 2025. doi:10.1002/adfm.202513859
apa: He, R., Lee, S., Ding, Y., Huang, C., Lu, X., Zheng, L., … Cabot, A. (2025).
Amorphous high entropy alloy nanosheets enabling robust Li–S batteries. Advanced
Functional Materials. Wiley. https://doi.org/10.1002/adfm.202513859
chicago: He, Ren, Seungho Lee, Yang Ding, Chen Huang, Xuan Lu, Lirong Zheng, Ao
Yu, et al. “Amorphous High Entropy Alloy Nanosheets Enabling Robust Li–S Batteries.”
Advanced Functional Materials. Wiley, 2025. https://doi.org/10.1002/adfm.202513859.
ieee: R. He et al., “Amorphous high entropy alloy nanosheets enabling robust
Li–S batteries,” Advanced Functional Materials. Wiley, 2025.
ista: He R, Lee S, Ding Y, Huang C, Lu X, Zheng L, Yu A, Zhang C, Li C, Bi X, Li
Y, Liao Y, Li J, Ostovari Moghaddam A, Yernar S, Xu Y, Ibáñez M, Zhang C, Yang
L, Zhou Y, Cabot A. 2025. Amorphous high entropy alloy nanosheets enabling robust
Li–S batteries. Advanced Functional Materials., e13859.
mla: He, Ren, et al. “Amorphous High Entropy Alloy Nanosheets Enabling Robust Li–S
Batteries.” Advanced Functional Materials, e13859, Wiley, 2025, doi:10.1002/adfm.202513859.
short: R. He, S. Lee, Y. Ding, C. Huang, X. Lu, L. Zheng, A. Yu, C. Zhang, C. Li,
X. Bi, Y. Li, Y. Liao, J. Li, A. Ostovari Moghaddam, S. Yernar, Y. Xu, M. Ibáñez,
C. Zhang, L. Yang, Y. Zhou, A. Cabot, Advanced Functional Materials (2025).
date_created: 2025-08-17T22:01:37Z
date_published: 2025-08-06T00:00:00Z
date_updated: 2025-09-30T14:20:56Z
day: '06'
ddc:
- '540'
department:
- _id: MaIb
doi: 10.1002/adfm.202513859
external_id:
isi:
- '001544757200001'
has_accepted_license: '1'
isi: 1
language:
- iso: eng
license: https://creativecommons.org/licenses/by-nc-nd/4.0/
main_file_link:
- open_access: '1'
url: https://doi.org/10.1002/adfm.202513859
month: '08'
oa: 1
oa_version: Published Version
project:
- _id: 9B8F7476-BA93-11EA-9121-9846C619BF3A
name: 'HighTE: The Werner Siemens Laboratory for the High Throughput Discovery of
Semiconductors for Waste Heat Recovery'
publication: Advanced Functional Materials
publication_identifier:
eissn:
- 1616-3028
issn:
- 1616-301X
publication_status: epub_ahead
publisher: Wiley
quality_controlled: '1'
scopus_import: '1'
status: public
title: Amorphous high entropy alloy nanosheets enabling robust Li–S batteries
tmp:
image: /images/cc_by_nc_nd.png
legal_code_url: https://creativecommons.org/licenses/by-nc-nd/4.0/legalcode
name: Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International
(CC BY-NC-ND 4.0)
short: CC BY-NC-ND (4.0)
type: journal_article
user_id: 317138e5-6ab7-11ef-aa6d-ffef3953e345
year: '2025'
...
---
OA_place: publisher
OA_type: hybrid
PlanS_conform: '1'
_id: '20405'
abstract:
- lang: eng
text: Dielectric breakdown of physical vacuum (Schwinger effect) is the textbook
demonstration of compatibility of Relativity and Quantum theory. Although observing
this effect is still practically unachievable, its analogue generalizations have
been shown to be more readily attainable. This paper demonstrates that a gapped
Dirac semiconductor, methylammonium lead-bromide perovskite (MAPbBr3), exhibits
analogue dynamic Schwinger effect. Tunneling ionization under deep subgap mid-infrared
irradiation leads to intense photoluminescence in the visible range, in full agreement
with quasi-adiabatic theory. In addition to revealing a gapped extended system
suitable for studying the analogue Schwinger effect, this observation holds great
potential for nonperturbative field sensing, i.e., sensing electric fields through
nonperturbative light-matter interactions. First, this paper illustrates this
by measuring the local deviation from the nominally cubic phase of a perovskite
single crystal, which can be interpreted in terms of frozen-in fields. Next, it
is shown that analogue dynamic Schwinger effect can be used for nonperturbative
amplification of nonparametric upconversion process in perovskites driven simultaneously
by multiple optical fields. This discovery demonstrates the potential for material
response beyond perturbation theory in the tunneling regime, offering extremely
sensitive light detection and amplification across an ultrabroad spectral range
not accessible by conventional devices.
acknowledged_ssus:
- _id: EM-Fac
acknowledgement: A.G.V. thanks Peter Balling for useful discussions. This research
was supported by the Scientific Service Units (SSU) of ISTA through resources provided
by the Electron Microscopy Facility (EMF), and by the Werner Siemens Foundation
(WSS) for financial support.
article_processing_charge: Yes (via OA deal)
article_type: original
arxiv: 1
author:
- first_name: Dusan
full_name: Lorenc, Dusan
id: 40D8A3E6-F248-11E8-B48F-1D18A9856A87
last_name: Lorenc
- first_name: Artem
full_name: Volosniev, Artem
id: 37D278BC-F248-11E8-B48F-1D18A9856A87
last_name: Volosniev
orcid: 0000-0003-0393-5525
- first_name: Ayan A.
full_name: Zhumekenov, Ayan A.
last_name: Zhumekenov
- first_name: Seungho
full_name: Lee, Seungho
id: BB243B88-D767-11E9-B658-BC13E6697425
last_name: Lee
orcid: 0000-0002-6962-8598
- first_name: Maria
full_name: Ibáñez, Maria
id: 43C61214-F248-11E8-B48F-1D18A9856A87
last_name: Ibáñez
orcid: 0000-0001-5013-2843
- first_name: Osman M.
full_name: Bakr, Osman M.
last_name: Bakr
- first_name: Mikhail
full_name: Lemeshko, Mikhail
id: 37CB05FA-F248-11E8-B48F-1D18A9856A87
last_name: Lemeshko
orcid: 0000-0002-6990-7802
- first_name: Zhanybek
full_name: Alpichshev, Zhanybek
id: 45E67A2A-F248-11E8-B48F-1D18A9856A87
last_name: Alpichshev
orcid: 0000-0002-7183-5203
citation:
ama: Lorenc D, Volosniev A, Zhumekenov AA, et al. Observation of analogue dynamic
Schwinger effect and non-perturbative light sensing in lead halide perovskites.
ACS Photonics. 2025;12(9):5220-5230. doi:10.1021/acsphotonics.5c01360
apa: Lorenc, D., Volosniev, A., Zhumekenov, A. A., Lee, S., Ibáñez, M., Bakr, O.
M., … Alpichshev, Z. (2025). Observation of analogue dynamic Schwinger effect
and non-perturbative light sensing in lead halide perovskites. ACS Photonics.
American Chemical Society. https://doi.org/10.1021/acsphotonics.5c01360
chicago: Lorenc, Dusan, Artem Volosniev, Ayan A. Zhumekenov, Seungho Lee, Maria
Ibáñez, Osman M. Bakr, Mikhail Lemeshko, and Zhanybek Alpichshev. “Observation
of Analogue Dynamic Schwinger Effect and Non-Perturbative Light Sensing in Lead
Halide Perovskites.” ACS Photonics. American Chemical Society, 2025. https://doi.org/10.1021/acsphotonics.5c01360.
ieee: D. Lorenc et al., “Observation of analogue dynamic Schwinger effect
and non-perturbative light sensing in lead halide perovskites,” ACS Photonics,
vol. 12, no. 9. American Chemical Society, pp. 5220–5230, 2025.
ista: Lorenc D, Volosniev A, Zhumekenov AA, Lee S, Ibáñez M, Bakr OM, Lemeshko M,
Alpichshev Z. 2025. Observation of analogue dynamic Schwinger effect and non-perturbative
light sensing in lead halide perovskites. ACS Photonics. 12(9), 5220–5230.
mla: Lorenc, Dusan, et al. “Observation of Analogue Dynamic Schwinger Effect and
Non-Perturbative Light Sensing in Lead Halide Perovskites.” ACS Photonics,
vol. 12, no. 9, American Chemical Society, 2025, pp. 5220–30, doi:10.1021/acsphotonics.5c01360.
short: D. Lorenc, A. Volosniev, A.A. Zhumekenov, S. Lee, M. Ibáñez, O.M. Bakr, M.
Lemeshko, Z. Alpichshev, ACS Photonics 12 (2025) 5220–5230.
corr_author: '1'
date_created: 2025-09-28T22:01:26Z
date_published: 2025-08-11T00:00:00Z
date_updated: 2025-12-01T12:59:51Z
day: '11'
ddc:
- '540'
- '530'
department:
- _id: MaIb
- _id: MiLe
- _id: ZhAl
doi: 10.1021/acsphotonics.5c01360
external_id:
arxiv:
- '2406.05032'
isi:
- '001547359300001'
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date_updated: 2025-10-20T11:02:21Z
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relation: main_file
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language:
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license: https://creativecommons.org/licenses/by/4.0/
month: '08'
oa: 1
oa_version: Published Version
page: 5220-5230
project:
- _id: 9B8F7476-BA93-11EA-9121-9846C619BF3A
name: 'HighTE: The Werner Siemens Laboratory for the High Throughput Discovery of
Semiconductors for Waste Heat Recovery'
publication: ACS Photonics
publication_identifier:
eissn:
- 2330-4022
publication_status: published
publisher: American Chemical Society
quality_controlled: '1'
scopus_import: '1'
status: public
title: Observation of analogue dynamic Schwinger effect and non-perturbative light
sensing in lead halide perovskites
tmp:
image: /images/cc_by.png
legal_code_url: https://creativecommons.org/licenses/by/4.0/legalcode
name: Creative Commons Attribution 4.0 International Public License (CC-BY 4.0)
short: CC BY (4.0)
type: journal_article
user_id: 2DF688A6-F248-11E8-B48F-1D18A9856A87
volume: 12
year: '2025'
...
---
OA_place: publisher
_id: '20415'
acknowledged_ssus:
- _id: LifeSc
- _id: EM-Fac
alternative_title:
- ISTA Thesis
article_processing_charge: No
author:
- first_name: Seungho
full_name: Lee, Seungho
id: BB243B88-D767-11E9-B658-BC13E6697425
last_name: Lee
orcid: 0000-0002-6962-8598
citation:
ama: Lee S. Nanoparticle-based precursors toward advanced crystalline inorganic
solids. 2025. doi:10.15479/AT-ISTA-20415
apa: Lee, S. (2025). Nanoparticle-based precursors toward advanced crystalline
inorganic solids. Institute of Science and Technology Austria. https://doi.org/10.15479/AT-ISTA-20415
chicago: Lee, Seungho. “Nanoparticle-Based Precursors toward Advanced Crystalline
Inorganic Solids.” Institute of Science and Technology Austria, 2025. https://doi.org/10.15479/AT-ISTA-20415.
ieee: S. Lee, “Nanoparticle-based precursors toward advanced crystalline inorganic
solids,” Institute of Science and Technology Austria, 2025.
ista: Lee S. 2025. Nanoparticle-based precursors toward advanced crystalline inorganic
solids. Institute of Science and Technology Austria.
mla: Lee, Seungho. Nanoparticle-Based Precursors toward Advanced Crystalline
Inorganic Solids. Institute of Science and Technology Austria, 2025, doi:10.15479/AT-ISTA-20415.
short: S. Lee, Nanoparticle-Based Precursors toward Advanced Crystalline Inorganic
Solids, Institute of Science and Technology Austria, 2025.
corr_author: '1'
date_created: 2025-10-01T09:04:00Z
date_published: 2025-10-01T00:00:00Z
date_updated: 2026-04-07T11:52:32Z
day: '01'
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department:
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- _id: MaIb
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page: '144'
project:
- _id: 9B8F7476-BA93-11EA-9121-9846C619BF3A
name: 'HighTE: The Werner Siemens Laboratory for the High Throughput Discovery of
Semiconductors for Waste Heat Recovery'
publication_identifier:
issn:
- 2663-337X
publication_status: published
publisher: Institute of Science and Technology Austria
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relation: part_of_dissertation
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status: public
status: public
supervisor:
- first_name: Maria
full_name: Ibáñez, Maria
id: 43C61214-F248-11E8-B48F-1D18A9856A87
last_name: Ibáñez
orcid: 0000-0001-5013-2843
- first_name: Loredana
full_name: Protesescu, Loredana
last_name: Protesescu
- first_name: Stefan Alexander
full_name: Freunberger, Stefan Alexander
id: A8CA28E6-CE23-11E9-AD2D-EC27E6697425
last_name: Freunberger
orcid: 0000-0003-2902-5319
title: Nanoparticle-based precursors toward advanced crystalline inorganic solids
type: dissertation
user_id: ba8df636-2132-11f1-aed0-ed93e2281fdd
year: '2025'
...
---
OA_place: publisher
OA_type: hybrid
_id: '15357'
abstract:
- lang: eng
text: 'There is a growing interest in cost-effective polycrystalline SnSe-based
thermoelectric (TE) materials, which are able to replace the high performance
but mechanically fragile and costly single-crystalline SnSe. In this study, we
present a low-temperature solution-based approach to produce SnSe-PbSe nanocomposites
with outstanding TE performance. Our method involves combining surfactant-free
SnSe particles with oleate-capped PbSe nanocrystals in specific ratios, followed
by thermal annealing and consolidation using spark plasma sintering. These nanocomposites
are characterized by distinct compositional and structural properties that significantly
impact their transport properties. In particular, the addition of oleate-capped
PbSe nanocrystals results in: i) a reduction in the electrostatically adsorbed
Na at the surface of the SnSe particles; ii) a reduction of Sn vacancies due to
alloying with Pb; iii) an increase in grain boundary density; and iv) the formation
of PbSnSe secondary phases. Notably, the SnSe-2.5 %PbSe nanocomposites demonstrate
a 30 % decrease in thermal conductivity compared to that of the SnSe matrix. This
reduction contributes to a maximum figure of merit (zT) of 1.75 at 788 K with
a high average zT value of ca. 1.2 in the medium temperature range of 573–773
K. These values represent one of the highest reported in polycrystalline SnSe
materials, showcasing the potential of our fabricated SnSe-PbSe nanocomposites
for cost-effective TE applications.'
acknowledged_ssus:
- _id: EM-Fac
- _id: NMR
- _id: LifeSc
acknowledgement: 'The Scientific Service Units (SSU) of ISTA supported this research
through resources provided by the Electron Microscopy Facility (EMF), NMR Facility,
and the Lab Support Facility (LSF). Y.L., S.L., C.F., C.C. and M.I. acknowledge
financial support from ISTA and the Werner Siemens Foundation. Y.L. acknowledges
funding from the National Natural Science Foundation of China (NSFC) (Grants No.
22209034), the Innovation and Entrepreneurship Project of Overseas Returnees in
Anhui Province (Grant No. 2022LCX002). C.C. acknowledges funding from the National
Natural Science Foundation of China (NSFC) (Grants No. 12374023). ICN2 acknowledges
funding from Generalitat de Catalunya 2021SGR00457. The authors thank support from
the project NANOGEN(PID2020-116093RB-C43), funded by MCIN/ AEI/10.13039/501100011033/
and by “ERDF Away of making Europe”, by the “European Union”. ICN2 is supported
by the Severo Ochoaprogram from Spanish MCIN / AEI (Grant No.: CEX2021-001214-S)
and is funded by the CERCA Programme / Generalitat de Catalunya. ICN2 is founding
member of e-DREAM [70].'
article_number: '151405'
article_processing_charge: Yes (via OA deal)
article_type: original
author:
- first_name: Yu
full_name: Liu, Yu
id: 2A70014E-F248-11E8-B48F-1D18A9856A87
last_name: Liu
orcid: 0000-0001-7313-6740
- first_name: Seungho
full_name: Lee, Seungho
id: BB243B88-D767-11E9-B658-BC13E6697425
last_name: Lee
orcid: 0000-0002-6962-8598
- first_name: Christine
full_name: Fiedler, Christine
id: bd3fceba-dc74-11ea-a0a7-c17f71817366
last_name: Fiedler
- first_name: Maria Chiara
full_name: ' Spadaro, Maria Chiara'
last_name: ' Spadaro'
- first_name: Cheng
full_name: Chang, Cheng
id: 9E331C2E-9F27-11E9-AE48-5033E6697425
last_name: Chang
orcid: 0000-0002-9515-4277
- first_name: Mingquan
full_name: Li, Mingquan
last_name: Li
- first_name: Min
full_name: Hong, Min
last_name: Hong
- first_name: Jordi
full_name: Arbiol, Jordi
last_name: Arbiol
- first_name: Maria
full_name: Ibáñez, Maria
id: 43C61214-F248-11E8-B48F-1D18A9856A87
last_name: Ibáñez
orcid: 0000-0001-5013-2843
citation:
ama: Liu Y, Lee S, Fiedler C, et al. Enhancing thermoelectric performance of solutionpProcessed
polycrystalline SnSe with PbSe nanocrystals. Chemical Engineering Journal.
2024;490. doi:10.1016/j.cej.2024.151405
apa: Liu, Y., Lee, S., Fiedler, C., Spadaro, M. C., Chang, C., Li, M., … Ibáñez,
M. (2024). Enhancing thermoelectric performance of solutionpProcessed polycrystalline
SnSe with PbSe nanocrystals. Chemical Engineering Journal. Elsevier. https://doi.org/10.1016/j.cej.2024.151405
chicago: Liu, Yu, Seungho Lee, Christine Fiedler, Maria Chiara Spadaro, Cheng Chang,
Mingquan Li, Min Hong, Jordi Arbiol, and Maria Ibáñez. “Enhancing Thermoelectric
Performance of SolutionpProcessed Polycrystalline SnSe with PbSe Nanocrystals.”
Chemical Engineering Journal. Elsevier, 2024. https://doi.org/10.1016/j.cej.2024.151405.
ieee: Y. Liu et al., “Enhancing thermoelectric performance of solutionpProcessed
polycrystalline SnSe with PbSe nanocrystals,” Chemical Engineering Journal,
vol. 490. Elsevier, 2024.
ista: Liu Y, Lee S, Fiedler C, Spadaro MC, Chang C, Li M, Hong M, Arbiol J, Ibáñez
M. 2024. Enhancing thermoelectric performance of solutionpProcessed polycrystalline
SnSe with PbSe nanocrystals. Chemical Engineering Journal. 490, 151405.
mla: Liu, Yu, et al. “Enhancing Thermoelectric Performance of SolutionpProcessed
Polycrystalline SnSe with PbSe Nanocrystals.” Chemical Engineering Journal,
vol. 490, 151405, Elsevier, 2024, doi:10.1016/j.cej.2024.151405.
short: Y. Liu, S. Lee, C. Fiedler, M.C. Spadaro, C. Chang, M. Li, M. Hong, J. Arbiol,
M. Ibáñez, Chemical Engineering Journal 490 (2024).
corr_author: '1'
date_created: 2024-05-05T22:01:03Z
date_published: 2024-06-15T00:00:00Z
date_updated: 2026-04-07T11:52:31Z
day: '15'
ddc:
- '540'
department:
- _id: MaIb
doi: 10.1016/j.cej.2024.151405
external_id:
isi:
- '001234835500001'
file:
- access_level: open_access
checksum: 6609232a208b9a89d055a270ef0af1fe
content_type: application/pdf
creator: dernst
date_created: 2025-01-09T09:24:29Z
date_updated: 2025-01-09T09:24:29Z
file_id: '18800'
file_name: 2024_ChemEngineeringJour_Liu.pdf
file_size: 12233704
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intvolume: ' 490'
isi: 1
language:
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month: '06'
oa: 1
oa_version: Published Version
project:
- _id: 9B8F7476-BA93-11EA-9121-9846C619BF3A
name: 'HighTE: The Werner Siemens Laboratory for the High Throughput Discovery of
Semiconductors for Waste Heat Recovery'
publication: Chemical Engineering Journal
publication_identifier:
issn:
- 1385-8947
publication_status: published
publisher: Elsevier
quality_controlled: '1'
related_material:
record:
- id: '20415'
relation: dissertation_contains
status: public
scopus_import: '1'
status: public
title: Enhancing thermoelectric performance of solutionpProcessed polycrystalline
SnSe with PbSe nanocrystals
tmp:
image: /images/cc_by.png
legal_code_url: https://creativecommons.org/licenses/by/4.0/legalcode
name: Creative Commons Attribution 4.0 International Public License (CC-BY 4.0)
short: CC BY (4.0)
type: journal_article
user_id: 317138e5-6ab7-11ef-aa6d-ffef3953e345
volume: 490
year: '2024'
...
---
_id: '13968'
abstract:
- lang: eng
text: The use of multimodal readout mechanisms next to label-free real-time monitoring
of biomolecular interactions can provide valuable insight into surface-based reaction
mechanisms. To this end, the combination of an electrolyte-gated field-effect
transistor (EG-FET) with a fiber optic-coupled surface plasmon resonance (FO-SPR)
probe serving as gate electrode has been investigated to deconvolute surface mass
and charge density variations associated to surface reactions. However, applying
an electrochemical potential on such gold-coated FO-SPR gate electrodes can induce
gradual morphological changes of the thin gold film, leading to an irreversible
blue-shift of the SPR wavelength and a substantial signal drift. We show that
mild annealing leads to optical and electronic signal stabilization (20-fold lower
signal drift than as-sputtered fiber optic gates) and improved overall analytical
performance characteristics. The thermal treatment prevents morphological changes
of the thin gold-film occurring during operation, hence providing reliable and
stable data immediately upon gate voltage application. Thus, the readout output
of both transducing principles, the optical FO-SPR and electronic EG-FET, stays
constant throughout the whole sensing time-window and the long-term effect of
thermal treatment is also improved, providing stable signals even after 1 year
of storage. Annealing should therefore be considered a necessary modification
for applying fiber optic gate electrodes in real-time multimodal investigations
of surface reactions at the solid-liquid interface.
acknowledged_ssus:
- _id: EM-Fac
acknowledgement: "This project has received funding from the European Union’s Horizon
2020 Research and Innovation Programme under the Marie Skłodowska-Curie grant agreement
No. 813863–BORGES. We further thank the office of the Federal Government of Lower
Austria, K3-Group–Culture, Science and Education, for their financial support as
part of the project “Responsive Wound Dressing”. We gratefully acknowledge the financial
support from the Austrian Research Promotion Agency (FFG; 888067).\r\nWe thank the
Electron Microscopy Facility at IST Austria for their support with sputter coating
the FO tips and Bernhard Pichler from AIT for software development to facilitate
data evaluation."
article_number: '1202132'
article_processing_charge: Yes
article_type: original
author:
- first_name: Roger
full_name: Hasler, Roger
last_name: Hasler
- first_name: Marie Helene
full_name: Steger-Polt, Marie Helene
last_name: Steger-Polt
- first_name: Ciril
full_name: Reiner-Rozman, Ciril
last_name: Reiner-Rozman
- first_name: Stefan
full_name: Fossati, Stefan
last_name: Fossati
- first_name: Seungho
full_name: Lee, Seungho
id: BB243B88-D767-11E9-B658-BC13E6697425
last_name: Lee
orcid: 0000-0002-6962-8598
- first_name: Patrik
full_name: Aspermair, Patrik
last_name: Aspermair
- first_name: Christoph
full_name: Kleber, Christoph
last_name: Kleber
- first_name: Maria
full_name: Ibáñez, Maria
id: 43C61214-F248-11E8-B48F-1D18A9856A87
last_name: Ibáñez
orcid: 0000-0001-5013-2843
- first_name: Jakub
full_name: Dostalek, Jakub
last_name: Dostalek
- first_name: Wolfgang
full_name: Knoll, Wolfgang
last_name: Knoll
citation:
ama: 'Hasler R, Steger-Polt MH, Reiner-Rozman C, et al. Optical and electronic signal
stabilization of plasmonic fiber optic gate electrodes: Towards improved real-time
dual-mode biosensing. Frontiers in Physics. 2023;11. doi:10.3389/fphy.2023.1202132'
apa: 'Hasler, R., Steger-Polt, M. H., Reiner-Rozman, C., Fossati, S., Lee, S., Aspermair,
P., … Knoll, W. (2023). Optical and electronic signal stabilization of plasmonic
fiber optic gate electrodes: Towards improved real-time dual-mode biosensing.
Frontiers in Physics. Frontiers. https://doi.org/10.3389/fphy.2023.1202132'
chicago: 'Hasler, Roger, Marie Helene Steger-Polt, Ciril Reiner-Rozman, Stefan Fossati,
Seungho Lee, Patrik Aspermair, Christoph Kleber, Maria Ibáñez, Jakub Dostalek,
and Wolfgang Knoll. “Optical and Electronic Signal Stabilization of Plasmonic
Fiber Optic Gate Electrodes: Towards Improved Real-Time Dual-Mode Biosensing.”
Frontiers in Physics. Frontiers, 2023. https://doi.org/10.3389/fphy.2023.1202132.'
ieee: 'R. Hasler et al., “Optical and electronic signal stabilization of
plasmonic fiber optic gate electrodes: Towards improved real-time dual-mode biosensing,”
Frontiers in Physics, vol. 11. Frontiers, 2023.'
ista: 'Hasler R, Steger-Polt MH, Reiner-Rozman C, Fossati S, Lee S, Aspermair P,
Kleber C, Ibáñez M, Dostalek J, Knoll W. 2023. Optical and electronic signal stabilization
of plasmonic fiber optic gate electrodes: Towards improved real-time dual-mode
biosensing. Frontiers in Physics. 11, 1202132.'
mla: 'Hasler, Roger, et al. “Optical and Electronic Signal Stabilization of Plasmonic
Fiber Optic Gate Electrodes: Towards Improved Real-Time Dual-Mode Biosensing.”
Frontiers in Physics, vol. 11, 1202132, Frontiers, 2023, doi:10.3389/fphy.2023.1202132.'
short: R. Hasler, M.H. Steger-Polt, C. Reiner-Rozman, S. Fossati, S. Lee, P. Aspermair,
C. Kleber, M. Ibáñez, J. Dostalek, W. Knoll, Frontiers in Physics 11 (2023).
date_created: 2023-08-06T22:01:11Z
date_published: 2023-07-14T00:00:00Z
date_updated: 2025-03-11T08:00:41Z
day: '14'
ddc:
- '530'
department:
- _id: MaIb
doi: 10.3389/fphy.2023.1202132
external_id:
isi:
- '001038636400001'
file:
- access_level: open_access
checksum: fb36dda665e57bab006a000bf0faacd5
content_type: application/pdf
creator: dernst
date_created: 2023-08-07T07:48:11Z
date_updated: 2023-08-07T07:48:11Z
file_id: '13978'
file_name: 2023_FrontiersPhysics_Hasler.pdf
file_size: 2421758
relation: main_file
success: 1
file_date_updated: 2023-08-07T07:48:11Z
has_accepted_license: '1'
intvolume: ' 11'
isi: 1
language:
- iso: eng
month: '07'
oa: 1
oa_version: Published Version
publication: Frontiers in Physics
publication_identifier:
eissn:
- 2296-424X
publication_status: published
publisher: Frontiers
quality_controlled: '1'
related_material:
record:
- id: '19308'
relation: research_data
status: public
scopus_import: '1'
status: public
title: 'Optical and electronic signal stabilization of plasmonic fiber optic gate
electrodes: Towards improved real-time dual-mode biosensing'
tmp:
image: /images/cc_by.png
legal_code_url: https://creativecommons.org/licenses/by/4.0/legalcode
name: Creative Commons Attribution 4.0 International Public License (CC-BY 4.0)
short: CC BY (4.0)
type: journal_article
user_id: 2DF688A6-F248-11E8-B48F-1D18A9856A87
volume: 11
year: '2023'
...
---
_id: '14434'
abstract:
- lang: eng
text: High entropy alloys (HEAs) are highly suitable candidate catalysts for oxygen
evolution and reduction reactions (OER/ORR) as they offer numerous parameters
for optimizing the electronic structure and catalytic sites. Herein, FeCoNiMoW
HEA nanoparticles are synthesized using a solution‐based low‐temperature approach.
Such FeCoNiMoW nanoparticles show high entropy properties, subtle lattice distortions,
and modulated electronic structure, leading to superior OER performance with an
overpotential of 233 mV at 10 mA cm−2 and 276 mV at 100 mA cm−2.
Density functional theory calculations reveal the electronic structures of the
FeCoNiMoW active sites with an optimized d‐band center position that enables suitable
adsorption of OOH* intermediates and reduces the Gibbs free energy barrier in
the OER process. Aqueous zinc–air batteries (ZABs) based on this HEA demonstrate
a high open circuit potential of 1.59 V, a peak power density of 116.9 mW cm−2,
a specific capacity of 857 mAh gZn−1,
and excellent stability for over 660 h of continuous charge–discharge cycles.
Flexible and solid ZABs are also assembled and tested, displaying excellent charge–discharge
performance at different bending angles. This work shows the significance of 4d/5d
metal‐modulated electronic structure and optimized adsorption ability to improve
the performance of OER/ORR, ZABs, and beyond.
acknowledged_ssus:
- _id: EM-Fac
acknowledgement: The authors acknowledge funding from Generalitat de Catalunya 2021
SGR 01581; the project COMBENERGY, PID2019-105490RB-C32, from the Spanish Ministerio
de Ciencia e Innovación; the National Natural Science Foundation of China (22102002);
the Anhui Provincial Natural Science Foundation (2108085QE192); Zhejiang Province
key research and development project (2023C01191); the Foundation of State Key Laboratory
of High-efficiency Utilization of Coal and Green Chemical Engineering (GrantNo.2022-K31);
and The Key Research and Development Program of Hebei Province (20314305D). IREC
is funded by the CERCA Programme from the Generalitat de Catalunya. L.L.Y. thanks
the China Scholarship Council (CSC) for the scholarship support (202008130132).
This research was supported by the Scientific Service Units (SSU) of ISTA (Institute
of Science and Technology Austria) through resources provided by the Electron Microscopy
Facility (EMF). S.L., S.H., and M.I. acknowledge funding by ISTA and the Werner
Siemens.
article_number: '2303719'
article_processing_charge: No
article_type: original
author:
- first_name: Ren
full_name: He, Ren
last_name: He
- first_name: Linlin
full_name: Yang, Linlin
last_name: Yang
- first_name: Yu
full_name: Zhang, Yu
last_name: Zhang
- first_name: Daochuan
full_name: Jiang, Daochuan
last_name: Jiang
- first_name: Seungho
full_name: Lee, Seungho
id: BB243B88-D767-11E9-B658-BC13E6697425
last_name: Lee
orcid: 0000-0002-6962-8598
- first_name: Sharona
full_name: Horta, Sharona
id: 03a7e858-01b1-11ec-8b71-99ae6c4a05bc
last_name: Horta
- first_name: Zhifu
full_name: Liang, Zhifu
last_name: Liang
- first_name: Xuan
full_name: Lu, Xuan
last_name: Lu
- first_name: Ahmad
full_name: Ostovari Moghaddam, Ahmad
last_name: Ostovari Moghaddam
- first_name: Junshan
full_name: Li, Junshan
last_name: Li
- first_name: Maria
full_name: Ibáñez, Maria
id: 43C61214-F248-11E8-B48F-1D18A9856A87
last_name: Ibáñez
orcid: 0000-0001-5013-2843
- first_name: Ying
full_name: Xu, Ying
last_name: Xu
- first_name: Yingtang
full_name: Zhou, Yingtang
last_name: Zhou
- first_name: Andreu
full_name: Cabot, Andreu
last_name: Cabot
citation:
ama: He R, Yang L, Zhang Y, et al. A 3d‐4d‐5d high entropy alloy as a bifunctional
oxygen catalyst for robust aqueous zinc–air batteries. Advanced Materials.
2023;35(46). doi:10.1002/adma.202303719
apa: He, R., Yang, L., Zhang, Y., Jiang, D., Lee, S., Horta, S., … Cabot, A. (2023).
A 3d‐4d‐5d high entropy alloy as a bifunctional oxygen catalyst for robust aqueous
zinc–air batteries. Advanced Materials. Wiley. https://doi.org/10.1002/adma.202303719
chicago: He, Ren, Linlin Yang, Yu Zhang, Daochuan Jiang, Seungho Lee, Sharona Horta,
Zhifu Liang, et al. “A 3d‐4d‐5d High Entropy Alloy as a Bifunctional Oxygen Catalyst
for Robust Aqueous Zinc–Air Batteries.” Advanced Materials. Wiley, 2023.
https://doi.org/10.1002/adma.202303719.
ieee: R. He et al., “A 3d‐4d‐5d high entropy alloy as a bifunctional oxygen
catalyst for robust aqueous zinc–air batteries,” Advanced Materials, vol.
35, no. 46. Wiley, 2023.
ista: He R, Yang L, Zhang Y, Jiang D, Lee S, Horta S, Liang Z, Lu X, Ostovari Moghaddam
A, Li J, Ibáñez M, Xu Y, Zhou Y, Cabot A. 2023. A 3d‐4d‐5d high entropy alloy
as a bifunctional oxygen catalyst for robust aqueous zinc–air batteries. Advanced
Materials. 35(46), 2303719.
mla: He, Ren, et al. “A 3d‐4d‐5d High Entropy Alloy as a Bifunctional Oxygen Catalyst
for Robust Aqueous Zinc–Air Batteries.” Advanced Materials, vol. 35, no.
46, 2303719, Wiley, 2023, doi:10.1002/adma.202303719.
short: R. He, L. Yang, Y. Zhang, D. Jiang, S. Lee, S. Horta, Z. Liang, X. Lu, A.
Ostovari Moghaddam, J. Li, M. Ibáñez, Y. Xu, Y. Zhou, A. Cabot, Advanced Materials
35 (2023).
date_created: 2023-10-17T10:52:23Z
date_published: 2023-11-16T00:00:00Z
date_updated: 2025-04-15T06:36:40Z
day: '16'
department:
- _id: MaIb
doi: 10.1002/adma.202303719
external_id:
isi:
- '001083876900001'
pmid:
- '37487245'
intvolume: ' 35'
isi: 1
issue: '46'
keyword:
- Mechanical Engineering
- Mechanics of Materials
- General Materials Science
language:
- iso: eng
month: '11'
oa_version: None
pmid: 1
project:
- _id: 9B8F7476-BA93-11EA-9121-9846C619BF3A
name: 'HighTE: The Werner Siemens Laboratory for the High Throughput Discovery of
Semiconductors for Waste Heat Recovery'
publication: Advanced Materials
publication_identifier:
eissn:
- 1521-4095
issn:
- 0935-9648
publication_status: published
publisher: Wiley
quality_controlled: '1'
scopus_import: '1'
status: public
title: A 3d‐4d‐5d high entropy alloy as a bifunctional oxygen catalyst for robust
aqueous zinc–air batteries
type: journal_article
user_id: 2DF688A6-F248-11E8-B48F-1D18A9856A87
volume: 35
year: '2023'
...
---
OA_place: repository
OA_type: green
_id: '12832'
abstract:
- lang: eng
text: The development of cost-effective, high-activity and stable bifunctional catalysts
for the oxygen reduction and evolution reactions (ORR/OER) is essential for zinc–air
batteries (ZABs) to reach the market. Such catalysts must contain multiple adsorption/reaction
sites to cope with the high demands of reversible oxygen electrodes. Herein, we
propose a high entropy alloy (HEA) based on relatively abundant elements as a
bifunctional ORR/OER catalyst. More specifically, we detail the synthesis of a
CrMnFeCoNi HEA through a low-temperature solution-based approach. Such HEA displays
superior OER performance with an overpotential of 265 mV at a current density
of 10 mA/cm2, and a 37.9 mV/dec Tafel slope, well above the properties of a standard
commercial catalyst based on RuO2. This high performance is partially explained
by the presence of twinned defects, the incidence of large lattice distortions,
and the electronic synergy between the different components, being Cr key to decreasing
the energy barrier of the OER rate-determining step. CrMnFeCoNi also displays
superior ORR performance with a half-potential of 0.78 V and an onset potential
of 0.88 V, comparable with commercial Pt/C. The potential gap (Egap) between the
OER overpotential and the ORR half-potential of CrMnFeCoNi is just 0.734 V. Taking
advantage of these outstanding properties, ZABs are assembled using the CrMnFeCoNi
HEA as air cathode and a zinc foil as the anode. The assembled cells provide an
open-circuit voltage of 1.489 V, i.e. 90% of its theoretical limit (1.66 V), a
peak power density of 116.5 mW/cm2, and a specific capacity of 836 mAh/g that
stays stable for more than 10 days of continuous cycling, i.e. 720 cycles @ 8
mA/cm2 and 16.6 days of continuous cycling, i.e. 1200 cycles @ 5 mA/cm2.
acknowledged_ssus:
- _id: EM-Fac
acknowledgement: 'The authors thank the support from the project COMBENERGY, PID2019-105490RB-C32,
from the Spanish Ministerio de Ciencia e Innovación. The authors acknowledge funding
from Generalitat de Catalunya 2021 SGR 01581 and 2021 SGR 00457. ICN2 acknowledges
the Severo Ochoa program from Spanish MINECO (Grant No. SEV-2017-0706). IREC and
ICN2 are funded by the CERCA Programme from the Generalitat de Catalunya. ICN2 is
supported by the Severo Ochoa program from Spanish MCIN / AEI (Grant No.: CEX2021-001214-S).
ICN2 acknowledges funding from Generalitat de Catalunya 2017 SGR 327. This study
was supported by MCIN with funding from European Union NextGenerationEU (PRTR-C17.I1)
and Generalitat de Catalunya. The authors thank the support from the project NANOGEN
(PID2020-116093RB-C43), funded by MCIN/ AEI/10.13039/501100011033/ and by “ERDF
A way of making Europe”, by the “European Union”. Part of the present work has been
performed in the frameworks of Universitat de Barcelona Nanoscience PhD program.
This research was supported by the Scientific Service Units (SSU) of IST Austria
through resources provided by Electron Microscopy Facility (EMF). S. Lee. and M.
Ibáñez acknowledge funding by IST Austria and the Werner Siemens Foundation. J.
Llorca is a Serra Húnter Fellow and is grateful to ICREA Academia program and projects
MICINN/FEDER PID2021-124572OB-C31 and GC 2017 SGR 128. L. L.Yang thanks the China
Scholarship Council (CSC) for the scholarship support (202008130132). Z. F. Liang
acknowledges funding from MINECO SO-FPT PhD grant (SEV-2013-0295-17-1). J. W. Chen
and Y. Xu thank the support from The Key Research and Development Program of Hebei
Province (No. 20314305D) and the cooperative scientific research project of the
“Chunhui Program” of the Ministry of Education (2018-7). This work was supported
by the Natural Science Foundation of Sichuan province (NSFSC) and funded by the
Science and Technology Department of Sichuan Province (2022NSFSC1229).'
article_processing_charge: No
article_type: original
author:
- first_name: Ren
full_name: He, Ren
last_name: He
- first_name: Linlin
full_name: Yang, Linlin
last_name: Yang
- first_name: Yu
full_name: Zhang, Yu
last_name: Zhang
- first_name: Xiang
full_name: Wang, Xiang
last_name: Wang
- first_name: Seungho
full_name: Lee, Seungho
id: BB243B88-D767-11E9-B658-BC13E6697425
last_name: Lee
orcid: 0000-0002-6962-8598
- first_name: Ting
full_name: Zhang, Ting
last_name: Zhang
- first_name: Lingxiao
full_name: Li, Lingxiao
last_name: Li
- first_name: Zhifu
full_name: Liang, Zhifu
last_name: Liang
- first_name: Jingwei
full_name: Chen, Jingwei
last_name: Chen
- first_name: Junshan
full_name: Li, Junshan
last_name: Li
- first_name: Ahmad
full_name: Ostovari Moghaddam, Ahmad
last_name: Ostovari Moghaddam
- first_name: Jordi
full_name: Llorca, Jordi
last_name: Llorca
- first_name: Maria
full_name: Ibáñez, Maria
id: 43C61214-F248-11E8-B48F-1D18A9856A87
last_name: Ibáñez
orcid: 0000-0001-5013-2843
- first_name: Jordi
full_name: Arbiol, Jordi
last_name: Arbiol
- first_name: Ying
full_name: Xu, Ying
last_name: Xu
- first_name: Andreu
full_name: Cabot, Andreu
last_name: Cabot
citation:
ama: He R, Yang L, Zhang Y, et al. A CrMnFeCoNi high entropy alloy boosting oxygen
evolution/reduction reactions and zinc-air battery performance. Energy Storage
Materials. 2023;58(4):287-298. doi:10.1016/j.ensm.2023.03.022
apa: He, R., Yang, L., Zhang, Y., Wang, X., Lee, S., Zhang, T., … Cabot, A. (2023).
A CrMnFeCoNi high entropy alloy boosting oxygen evolution/reduction reactions
and zinc-air battery performance. Energy Storage Materials. Elsevier. https://doi.org/10.1016/j.ensm.2023.03.022
chicago: He, Ren, Linlin Yang, Yu Zhang, Xiang Wang, Seungho Lee, Ting Zhang, Lingxiao
Li, et al. “A CrMnFeCoNi High Entropy Alloy Boosting Oxygen Evolution/Reduction
Reactions and Zinc-Air Battery Performance.” Energy Storage Materials.
Elsevier, 2023. https://doi.org/10.1016/j.ensm.2023.03.022.
ieee: R. He et al., “A CrMnFeCoNi high entropy alloy boosting oxygen evolution/reduction
reactions and zinc-air battery performance,” Energy Storage Materials,
vol. 58, no. 4. Elsevier, pp. 287–298, 2023.
ista: He R, Yang L, Zhang Y, Wang X, Lee S, Zhang T, Li L, Liang Z, Chen J, Li J,
Ostovari Moghaddam A, Llorca J, Ibáñez M, Arbiol J, Xu Y, Cabot A. 2023. A CrMnFeCoNi
high entropy alloy boosting oxygen evolution/reduction reactions and zinc-air
battery performance. Energy Storage Materials. 58(4), 287–298.
mla: He, Ren, et al. “A CrMnFeCoNi High Entropy Alloy Boosting Oxygen Evolution/Reduction
Reactions and Zinc-Air Battery Performance.” Energy Storage Materials,
vol. 58, no. 4, Elsevier, 2023, pp. 287–98, doi:10.1016/j.ensm.2023.03.022.
short: R. He, L. Yang, Y. Zhang, X. Wang, S. Lee, T. Zhang, L. Li, Z. Liang, J.
Chen, J. Li, A. Ostovari Moghaddam, J. Llorca, M. Ibáñez, J. Arbiol, Y. Xu, A.
Cabot, Energy Storage Materials 58 (2023) 287–298.
date_created: 2023-04-16T22:01:07Z
date_published: 2023-04-01T00:00:00Z
date_updated: 2025-06-25T06:12:51Z
day: '01'
department:
- _id: MaIb
doi: 10.1016/j.ensm.2023.03.022
external_id:
isi:
- '000967601700001'
intvolume: ' 58'
isi: 1
issue: '4'
language:
- iso: eng
main_file_link:
- open_access: '1'
url: http://hdl.handle.net/2117/389931
month: '04'
oa: 1
oa_version: Submitted Version
page: 287-298
project:
- _id: 9B8F7476-BA93-11EA-9121-9846C619BF3A
name: 'HighTE: The Werner Siemens Laboratory for the High Throughput Discovery of
Semiconductors for Waste Heat Recovery'
publication: Energy Storage Materials
publication_identifier:
eissn:
- 2405-8297
publication_status: published
publisher: Elsevier
quality_controlled: '1'
scopus_import: '1'
status: public
title: A CrMnFeCoNi high entropy alloy boosting oxygen evolution/reduction reactions
and zinc-air battery performance
type: journal_article
user_id: 2DF688A6-F248-11E8-B48F-1D18A9856A87
volume: 58
year: '2023'
...
---
_id: '11451'
abstract:
- lang: eng
text: The precursor conversion chemistry and surface chemistry of Cu3N and Cu3PdN
nanocrystals are unknown or contested. Here, we first obtain phase-pure, colloidally
stable nanocubes. Second, we elucidate the pathway by which copper(II) nitrate
and oleylamine form Cu3N. We find that oleylamine is both a reductant and a nitrogen
source. Oleylamine is oxidized by nitrate to a primary aldimine, which reacts
further with excess oleylamine to a secondary aldimine, eliminating ammonia. Ammonia
reacts with CuI to form Cu3N. Third, we investigated the surface chemistry and
find a mixed ligand shell of aliphatic amines and carboxylates (formed in situ).
While the carboxylates appear tightly bound, the amines are easily desorbed from
the surface. Finally, we show that doping with palladium decreases the band gap
and the material becomes semi-metallic. These results bring insight into the chemistry
of metal nitrides and might help the development of other metal nitride nanocrystals.
acknowledgement: 'J.D.R. and M.P. acknowledge the SNF Eccellenza funding scheme (project
number: 194172). We acknowledge DESY (Hamburg, Germany), a member of the Helmholtz
Association HGF, for the provision of experimental facilities. Parts of this research
were carried out at beamline P21.1, PETRA III. We thank Dr. Soham Banerjee for acquiring
the PDF data and helpful advice. A.R. acknowledges the support from the Analytical
Chemistry Trust Fund for her CAMS-UK Fellowship. C.K. acknowledges the support from
the Department of Chemistry, UCL. The authors acknowledge Dr Stephan Lany from NREL
for providing the Cu3N DFT calculations. The authors thank Prof. Raymond Schaak
and Dr. Robert William Lord for helpful advice and suggestions regarding the purification
procedure. Open access funding provided by Universitat Basel.'
article_number: e202207013
article_processing_charge: No
article_type: original
author:
- first_name: Mahsa
full_name: Parvizian, Mahsa
last_name: Parvizian
- first_name: Alejandra
full_name: Duràn Balsa, Alejandra
last_name: Duràn Balsa
- first_name: Rohan
full_name: Pokratath, Rohan
last_name: Pokratath
- first_name: Curran
full_name: Kalha, Curran
last_name: Kalha
- first_name: Seungho
full_name: Lee, Seungho
id: BB243B88-D767-11E9-B658-BC13E6697425
last_name: Lee
orcid: 0000-0002-6962-8598
- first_name: Dietger
full_name: Van Den Eynden, Dietger
last_name: Van Den Eynden
- first_name: Maria
full_name: Ibáñez, Maria
id: 43C61214-F248-11E8-B48F-1D18A9856A87
last_name: Ibáñez
orcid: 0000-0001-5013-2843
- first_name: Anna
full_name: Regoutz, Anna
last_name: Regoutz
- first_name: Jonathan
full_name: De Roo, Jonathan
last_name: De Roo
citation:
ama: Parvizian M, Duràn Balsa A, Pokratath R, et al. The chemistry of Cu₃N and Cu₃PdN
nanocrystals. Angewandte Chemie - International Edition. 2022;61(31). doi:10.1002/anie.202207013
apa: Parvizian, M., Duràn Balsa, A., Pokratath, R., Kalha, C., Lee, S., Van Den
Eynden, D., … De Roo, J. (2022). The chemistry of Cu₃N and Cu₃PdN nanocrystals.
Angewandte Chemie - International Edition. Wiley. https://doi.org/10.1002/anie.202207013
chicago: Parvizian, Mahsa, Alejandra Duràn Balsa, Rohan Pokratath, Curran Kalha,
Seungho Lee, Dietger Van Den Eynden, Maria Ibáñez, Anna Regoutz, and Jonathan
De Roo. “The Chemistry of Cu₃N and Cu₃PdN Nanocrystals.” Angewandte Chemie
- International Edition. Wiley, 2022. https://doi.org/10.1002/anie.202207013.
ieee: M. Parvizian et al., “The chemistry of Cu₃N and Cu₃PdN nanocrystals,”
Angewandte Chemie - International Edition, vol. 61, no. 31. Wiley, 2022.
ista: Parvizian M, Duràn Balsa A, Pokratath R, Kalha C, Lee S, Van Den Eynden D,
Ibáñez M, Regoutz A, De Roo J. 2022. The chemistry of Cu₃N and Cu₃PdN nanocrystals.
Angewandte Chemie - International Edition. 61(31), e202207013.
mla: Parvizian, Mahsa, et al. “The Chemistry of Cu₃N and Cu₃PdN Nanocrystals.” Angewandte
Chemie - International Edition, vol. 61, no. 31, e202207013, Wiley, 2022,
doi:10.1002/anie.202207013.
short: M. Parvizian, A. Duràn Balsa, R. Pokratath, C. Kalha, S. Lee, D. Van Den
Eynden, M. Ibáñez, A. Regoutz, J. De Roo, Angewandte Chemie - International Edition
61 (2022).
date_created: 2022-06-19T22:01:58Z
date_published: 2022-08-01T00:00:00Z
date_updated: 2023-08-03T07:19:12Z
day: '01'
ddc:
- '540'
department:
- _id: MaIb
doi: 10.1002/anie.202207013
external_id:
isi:
- '000811084000001'
pmid:
- '35612297'
file:
- access_level: open_access
checksum: 2a3ee0bb59e044b808ebe85cd94ac899
content_type: application/pdf
creator: dernst
date_created: 2022-07-29T09:29:20Z
date_updated: 2022-07-29T09:29:20Z
file_id: '11696'
file_name: 2022_AngewandteChemieInternat_Parvizian.pdf
file_size: 1303202
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success: 1
file_date_updated: 2022-07-29T09:29:20Z
has_accepted_license: '1'
intvolume: ' 61'
isi: 1
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language:
- iso: eng
month: '08'
oa: 1
oa_version: Published Version
pmid: 1
publication: Angewandte Chemie - International Edition
publication_identifier:
eissn:
- 1521-3773
issn:
- 1433-7851
publication_status: published
publisher: Wiley
quality_controlled: '1'
related_material:
record:
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relation: research_data
status: public
scopus_import: '1'
status: public
title: The chemistry of Cu₃N and Cu₃PdN nanocrystals
tmp:
image: /images/cc_by.png
legal_code_url: https://creativecommons.org/licenses/by/4.0/legalcode
name: Creative Commons Attribution 4.0 International Public License (CC-BY 4.0)
short: CC BY (4.0)
type: journal_article
user_id: 4359f0d1-fa6c-11eb-b949-802e58b17ae8
volume: 61
year: '2022'
...
---
_id: '11705'
abstract:
- lang: eng
text: 'The broad implementation of thermoelectricity requires high-performance and
low-cost materials. One possibility is employing surfactant-free solution synthesis
to produce nanopowders. We propose the strategy of functionalizing “naked” particles’
surface by inorganic molecules to control the nanostructure and, consequently,
thermoelectric performance. In particular, we use bismuth thiolates to functionalize
surfactant-free SnTe particles’ surfaces. Upon thermal processing, bismuth thiolates
decomposition renders SnTe-Bi2S3 nanocomposites with synergistic functions: 1)
carrier concentration optimization by Bi doping; 2) Seebeck coefficient enhancement
and bipolar effect suppression by energy filtering; and 3) lattice thermal conductivity
reduction by small grain domains, grain boundaries and nanostructuration. Overall,
the SnTe-Bi2S3 nanocomposites exhibit peak z T up to 1.3 at 873 K and an average
z T of ≈0.6 at 300–873 K, which is among the highest reported for solution-processed
SnTe.'
acknowledged_ssus:
- _id: EM-Fac
- _id: NanoFab
acknowledgement: This research was supported by the Scientific Service Units (SSU)
of IST Austria through resources provided by Electron Microscopy Facility (EMF)
and the Nanofabrication Facility (NNF). This work was financially supported by IST
Austria and the Werner Siemens Foundation. C.C. acknowledges funding from the FWF
“Lise Meitner Fellowship” grant agreement M 2889-N. Lise Meitner Project (M2889-N).
Y.L. acknowledges funding from the European Union's Horizon 2020 research and innovation
program under the Marie Sklodowska-Curie grant agreement No. 754411. R.L.B. thanks
the National Science Foundation for support under DMR-1904719. MCS acknowledge MINECO
Juan de la Cierva Incorporation fellowship (JdlCI 2019) and Severo Ochoa. M.C.S.
and J.A. acknowledge funding from Generalitat de Catalunya 2017 SGR 327. ICN2 is
supported by the Severo Ochoa program from Spanish MINECO (Grant no. SEV-2017-0706)
and is funded by the CERCA Programme/Generalitat de Catalunya. This study was supported
by MCIN with funding from European Union NextGenerationEU (PRTR-C17.I1) and Generalitat
de Catalunya.
article_number: e202207002
article_processing_charge: Yes (via OA deal)
article_type: original
author:
- first_name: Cheng
full_name: Chang, Cheng
id: 9E331C2E-9F27-11E9-AE48-5033E6697425
last_name: Chang
orcid: 0000-0002-9515-4277
- first_name: Yu
full_name: Liu, Yu
id: 2A70014E-F248-11E8-B48F-1D18A9856A87
last_name: Liu
orcid: 0000-0001-7313-6740
- first_name: Seungho
full_name: Lee, Seungho
id: BB243B88-D767-11E9-B658-BC13E6697425
last_name: Lee
orcid: 0000-0002-6962-8598
- first_name: Maria
full_name: Spadaro, Maria
last_name: Spadaro
- first_name: Kristopher M.
full_name: Koskela, Kristopher M.
last_name: Koskela
- first_name: Tobias
full_name: Kleinhanns, Tobias
id: 8BD9DE16-AB3C-11E9-9C8C-2A03E6697425
last_name: Kleinhanns
- first_name: Tommaso
full_name: Costanzo, Tommaso
id: D93824F4-D9BA-11E9-BB12-F207E6697425
last_name: Costanzo
orcid: 0000-0001-9732-3815
- first_name: Jordi
full_name: Arbiol, Jordi
last_name: Arbiol
- first_name: Richard L.
full_name: Brutchey, Richard L.
last_name: Brutchey
- first_name: Maria
full_name: Ibáñez, Maria
id: 43C61214-F248-11E8-B48F-1D18A9856A87
last_name: Ibáñez
orcid: 0000-0001-5013-2843
citation:
ama: 'Chang C, Liu Y, Lee S, et al. Surface functionalization of surfactant-free
particles: A strategy to tailor the properties of nanocomposites for enhanced
thermoelectric performance. Angewandte Chemie - International Edition.
2022;61(35). doi:10.1002/anie.202207002'
apa: 'Chang, C., Liu, Y., Lee, S., Spadaro, M., Koskela, K. M., Kleinhanns, T.,
… Ibáñez, M. (2022). Surface functionalization of surfactant-free particles: A
strategy to tailor the properties of nanocomposites for enhanced thermoelectric
performance. Angewandte Chemie - International Edition. Wiley. https://doi.org/10.1002/anie.202207002'
chicago: 'Chang, Cheng, Yu Liu, Seungho Lee, Maria Spadaro, Kristopher M. Koskela,
Tobias Kleinhanns, Tommaso Costanzo, Jordi Arbiol, Richard L. Brutchey, and Maria
Ibáñez. “Surface Functionalization of Surfactant-Free Particles: A Strategy to
Tailor the Properties of Nanocomposites for Enhanced Thermoelectric Performance.”
Angewandte Chemie - International Edition. Wiley, 2022. https://doi.org/10.1002/anie.202207002.'
ieee: 'C. Chang et al., “Surface functionalization of surfactant-free particles:
A strategy to tailor the properties of nanocomposites for enhanced thermoelectric
performance,” Angewandte Chemie - International Edition, vol. 61, no. 35.
Wiley, 2022.'
ista: 'Chang C, Liu Y, Lee S, Spadaro M, Koskela KM, Kleinhanns T, Costanzo T, Arbiol
J, Brutchey RL, Ibáñez M. 2022. Surface functionalization of surfactant-free particles:
A strategy to tailor the properties of nanocomposites for enhanced thermoelectric
performance. Angewandte Chemie - International Edition. 61(35), e202207002.'
mla: 'Chang, Cheng, et al. “Surface Functionalization of Surfactant-Free Particles:
A Strategy to Tailor the Properties of Nanocomposites for Enhanced Thermoelectric
Performance.” Angewandte Chemie - International Edition, vol. 61, no. 35,
e202207002, Wiley, 2022, doi:10.1002/anie.202207002.'
short: C. Chang, Y. Liu, S. Lee, M. Spadaro, K.M. Koskela, T. Kleinhanns, T. Costanzo,
J. Arbiol, R.L. Brutchey, M. Ibáñez, Angewandte Chemie - International Edition
61 (2022).
corr_author: '1'
date_created: 2022-07-31T22:01:48Z
date_published: 2022-08-26T00:00:00Z
date_updated: 2025-04-14T07:44:07Z
day: '26'
ddc:
- '540'
department:
- _id: MaIb
- _id: EM-Fac
doi: 10.1002/anie.202207002
ec_funded: 1
external_id:
isi:
- '000828274200001'
pmid:
- '38505739'
file:
- access_level: open_access
checksum: ad601f2b9e26e46ab4785162be58b5ed
content_type: application/pdf
creator: dernst
date_created: 2023-02-02T08:01:00Z
date_updated: 2023-02-02T08:01:00Z
file_id: '12476'
file_name: 2022_AngewandteChemieInternat_Chang.pdf
file_size: 4072650
relation: main_file
success: 1
file_date_updated: 2023-02-02T08:01:00Z
has_accepted_license: '1'
intvolume: ' 61'
isi: 1
issue: '35'
language:
- iso: eng
month: '08'
oa: 1
oa_version: Published Version
pmid: 1
project:
- _id: 9B8804FC-BA93-11EA-9121-9846C619BF3A
grant_number: M02889
name: Bottom-up Engineering for Thermoelectric Applications
- _id: 260C2330-B435-11E9-9278-68D0E5697425
call_identifier: H2020
grant_number: '754411'
name: ISTplus - Postdoctoral Fellowships
publication: Angewandte Chemie - International Edition
publication_identifier:
eissn:
- 1521-3773
issn:
- 1433-7851
publication_status: published
publisher: Wiley
quality_controlled: '1'
scopus_import: '1'
status: public
title: 'Surface functionalization of surfactant-free particles: A strategy to tailor
the properties of nanocomposites for enhanced thermoelectric performance'
tmp:
image: /images/cc_by.png
legal_code_url: https://creativecommons.org/licenses/by/4.0/legalcode
name: Creative Commons Attribution 4.0 International Public License (CC-BY 4.0)
short: CC BY (4.0)
type: journal_article
user_id: 2DF688A6-F248-11E8-B48F-1D18A9856A87
volume: 61
year: '2022'
...
---
_id: '10829'
abstract:
- lang: eng
text: A novel multivariable system, combining a transistor with fiber optic-based
surface plasmon resonance spectroscopy with the gate electrode simultaneously
acting as the fiber optic sensor surface, is reported. The dual-mode sensor allows
for discrimination of mass and charge contributions for binding assays on the
same sensor surface. Furthermore, we optimize the sensor geometry by investigating
the influence of the fiber area to transistor channel area ratio and distance.
We show that larger fiber optic tip diameters are favorable for electronic and
optical signals and demonstrate the reversibility of plasmon resonance wavelength
shifts after electric field application. As a proof of principle, a layer-by-layer
assembly of polyelectrolytes is performed to benchmark the system against multivariable
sensing platforms with planar surface plasmon resonance configurations. Furthermore,
the biosensing performance is assessed using a thrombin binding assay with surface-immobilized
aptamers as receptors, allowing for the detection of medically relevant thrombin
concentrations.
acknowledgement: "This project has received funding from the European Union’s Horizon
2020 Research and Innovation Programme under the Marie Skłodowska-Curie grant agreement
No. 813863-\r\nBORGES. Additionally, we gratefully acknowledge the financial support
from the Austrian Research Promotion Agency (FFG; 870025 and 873541) for this research.
The data that support the findings of this study are openly available in Zenodo
(DOI: 10.5281/zenodo.5500360)"
article_processing_charge: No
article_type: original
author:
- first_name: Roger
full_name: Hasler, Roger
last_name: Hasler
- first_name: Ciril
full_name: Reiner-Rozman, Ciril
last_name: Reiner-Rozman
- first_name: Stefan
full_name: Fossati, Stefan
last_name: Fossati
- first_name: Patrik
full_name: Aspermair, Patrik
last_name: Aspermair
- first_name: Jakub
full_name: Dostalek, Jakub
last_name: Dostalek
- first_name: Seungho
full_name: Lee, Seungho
id: BB243B88-D767-11E9-B658-BC13E6697425
last_name: Lee
orcid: 0000-0002-6962-8598
- first_name: Maria
full_name: Ibáñez, Maria
id: 43C61214-F248-11E8-B48F-1D18A9856A87
last_name: Ibáñez
orcid: 0000-0001-5013-2843
- first_name: Johannes
full_name: Bintinger, Johannes
last_name: Bintinger
- first_name: Wolfgang
full_name: Knoll, Wolfgang
last_name: Knoll
citation:
ama: Hasler R, Reiner-Rozman C, Fossati S, et al. Field-effect transistor with a
plasmonic fiber optic gate electrode as a multivariable biosensor device. ACS
Sensors. 2022;7(2):504-512. doi:10.1021/acssensors.1c02313
apa: Hasler, R., Reiner-Rozman, C., Fossati, S., Aspermair, P., Dostalek, J., Lee,
S., … Knoll, W. (2022). Field-effect transistor with a plasmonic fiber optic gate
electrode as a multivariable biosensor device. ACS Sensors. American Chemical
Society. https://doi.org/10.1021/acssensors.1c02313
chicago: Hasler, Roger, Ciril Reiner-Rozman, Stefan Fossati, Patrik Aspermair, Jakub
Dostalek, Seungho Lee, Maria Ibáñez, Johannes Bintinger, and Wolfgang Knoll. “Field-Effect
Transistor with a Plasmonic Fiber Optic Gate Electrode as a Multivariable Biosensor
Device.” ACS Sensors. American Chemical Society, 2022. https://doi.org/10.1021/acssensors.1c02313.
ieee: R. Hasler et al., “Field-effect transistor with a plasmonic fiber optic
gate electrode as a multivariable biosensor device,” ACS Sensors, vol.
7, no. 2. American Chemical Society, pp. 504–512, 2022.
ista: Hasler R, Reiner-Rozman C, Fossati S, Aspermair P, Dostalek J, Lee S, Ibáñez
M, Bintinger J, Knoll W. 2022. Field-effect transistor with a plasmonic fiber
optic gate electrode as a multivariable biosensor device. ACS Sensors. 7(2), 504–512.
mla: Hasler, Roger, et al. “Field-Effect Transistor with a Plasmonic Fiber Optic
Gate Electrode as a Multivariable Biosensor Device.” ACS Sensors, vol.
7, no. 2, American Chemical Society, 2022, pp. 504–12, doi:10.1021/acssensors.1c02313.
short: R. Hasler, C. Reiner-Rozman, S. Fossati, P. Aspermair, J. Dostalek, S. Lee,
M. Ibáñez, J. Bintinger, W. Knoll, ACS Sensors 7 (2022) 504–512.
date_created: 2022-03-06T23:01:54Z
date_published: 2022-02-08T00:00:00Z
date_updated: 2026-04-02T12:33:46Z
day: '08'
ddc:
- '540'
department:
- _id: MaIb
doi: 10.1021/acssensors.1c02313
external_id:
isi:
- '000765113000016'
pmid:
- '35134289'
file:
- access_level: open_access
checksum: d704af7262cd484da9bb84b7d84e2b09
content_type: application/pdf
creator: dernst
date_created: 2022-03-07T08:15:01Z
date_updated: 2022-03-07T08:15:01Z
file_id: '10832'
file_name: 2022_ACSSensors_Hasler.pdf
file_size: 2969415
relation: main_file
success: 1
file_date_updated: 2022-03-07T08:15:01Z
has_accepted_license: '1'
intvolume: ' 7'
isi: 1
issue: '2'
language:
- iso: eng
month: '02'
oa: 1
oa_version: Published Version
page: 504-512
pmid: 1
publication: ACS Sensors
publication_identifier:
eissn:
- 2379-3694
publication_status: published
publisher: American Chemical Society
quality_controlled: '1'
related_material:
record:
- id: '10833'
relation: research_data
status: public
scopus_import: '1'
status: public
title: Field-effect transistor with a plasmonic fiber optic gate electrode as a multivariable
biosensor device
tmp:
image: /images/cc_by_nc_nd.png
legal_code_url: https://creativecommons.org/licenses/by-nc-nd/4.0/legalcode
name: Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International
(CC BY-NC-ND 4.0)
short: CC BY-NC-ND (4.0)
type: journal_article
user_id: ba8df636-2132-11f1-aed0-ed93e2281fdd
volume: 7
year: '2022'
...
---
_id: '10833'
abstract:
- lang: eng
text: Detailed information about the data set see "dataset description.txt" file.
article_processing_charge: No
author:
- first_name: Roger
full_name: Hasler, Roger
last_name: Hasler
- first_name: Ciril
full_name: Reiner-Rozman, Ciril
last_name: Reiner-Rozman
- first_name: Stefan
full_name: Fossati, Stefan
last_name: Fossati
- first_name: Patrik
full_name: Aspermair, Patrik
last_name: Aspermair
- first_name: Jakub
full_name: Dostalek, Jakub
last_name: Dostalek
- first_name: Seungho
full_name: Lee, Seungho
id: BB243B88-D767-11E9-B658-BC13E6697425
last_name: Lee
orcid: 0000-0002-6962-8598
- first_name: Maria
full_name: Ibáñez, Maria
id: 43C61214-F248-11E8-B48F-1D18A9856A87
last_name: Ibáñez
orcid: 0000-0001-5013-2843
- first_name: Johannes
full_name: Bintinger, Johannes
last_name: Bintinger
- first_name: Wolfgang
full_name: Knoll, Wolfgang
last_name: Knoll
citation:
ama: Hasler R, Reiner-Rozman C, Fossati S, et al. Field-effect transistor with a
plasmonic fiber optic gate electrode as a multivariable biosensor device. 2022.
doi:10.5281/ZENODO.5500360
apa: Hasler, R., Reiner-Rozman, C., Fossati, S., Aspermair, P., Dostalek, J., Lee,
S., … Knoll, W. (2022). Field-effect transistor with a plasmonic fiber optic gate
electrode as a multivariable biosensor device. Zenodo. https://doi.org/10.5281/ZENODO.5500360
chicago: Hasler, Roger, Ciril Reiner-Rozman, Stefan Fossati, Patrik Aspermair, Jakub
Dostalek, Seungho Lee, Maria Ibáñez, Johannes Bintinger, and Wolfgang Knoll. “Field-Effect
Transistor with a Plasmonic Fiber Optic Gate Electrode as a Multivariable Biosensor
Device.” Zenodo, 2022. https://doi.org/10.5281/ZENODO.5500360.
ieee: R. Hasler et al., “Field-effect transistor with a plasmonic fiber optic
gate electrode as a multivariable biosensor device.” Zenodo, 2022.
ista: Hasler R, Reiner-Rozman C, Fossati S, Aspermair P, Dostalek J, Lee S, Ibáñez
M, Bintinger J, Knoll W. 2022. Field-effect transistor with a plasmonic fiber
optic gate electrode as a multivariable biosensor device, Zenodo, 10.5281/ZENODO.5500360.
mla: Hasler, Roger, et al. Field-Effect Transistor with a Plasmonic Fiber Optic
Gate Electrode as a Multivariable Biosensor Device. Zenodo, 2022, doi:10.5281/ZENODO.5500360.
short: R. Hasler, C. Reiner-Rozman, S. Fossati, P. Aspermair, J. Dostalek, S. Lee,
M. Ibáñez, J. Bintinger, W. Knoll, (2022).
date_created: 2022-03-07T08:19:11Z
date_published: 2022-02-08T00:00:00Z
date_updated: 2026-04-02T12:33:44Z
day: '08'
ddc:
- '540'
department:
- _id: MaIb
doi: 10.5281/ZENODO.5500360
main_file_link:
- open_access: '1'
url: https://doi.org/10.5281/zenodo.5500360
month: '02'
oa: 1
oa_version: Published Version
publisher: Zenodo
related_material:
record:
- id: '10829'
relation: used_in_publication
status: public
status: public
title: Field-effect transistor with a plasmonic fiber optic gate electrode as a multivariable
biosensor device
type: research_data_reference
user_id: 6785fbc1-c503-11eb-8a32-93094b40e1cf
year: '2022'
...
---
_id: '10042'
abstract:
- lang: eng
text: SnSe has emerged as one of the most promising materials for thermoelectric
energy conversion due to its extraordinary performance in its single-crystal form
and its low-cost constituent elements. However, to achieve an economic impact,
the polycrystalline counterpart needs to replicate the performance of the single
crystal. Herein, we optimize the thermoelectric performance of polycrystalline
SnSe produced by consolidating solution-processed and surface-engineered SnSe
particles. In particular, the SnSe particles are coated with CdSe molecular complexes
that crystallize during the sintering process, forming CdSe nanoparticles. The
presence of CdSe nanoparticles inhibits SnSe grain growth during the consolidation
step due to Zener pinning, yielding a material with a high density of grain boundaries.
Moreover, the resulting SnSe–CdSe nanocomposites present a large number of defects
at different length scales, which significantly reduce the thermal conductivity.
The produced SnSe–CdSe nanocomposites exhibit thermoelectric figures of merit
up to 2.2 at 786 K, which is among the highest reported for solution-processed
SnSe.
acknowledgement: 'This work was financially supported by IST Austria and the Werner
Siemens Foundation. Y.L. acknowledges funding from the European Union’s Horizon
2020 research and innovation program under the Marie Sklodowska-Curie grant agreement
No. 754411. S.L. and M.C. received funding from the European Union’s Horizon 2020
research and innovation program under the Marie Skłodowska-Curie Grant Agreement
No. 665385. J.D. acknowledges funding from the European Union’s Horizon 2020 research
and innovation program under the Marie Sklodowska-Curie grant agreement no. 665919
(P-SPHERE) cofunded by Severo Ochoa Programme. C.C. acknowledges funding from the
FWF “Lise Meitner Fellowship” grant agreement M 2889-N. Y.Y. and O.C.-M. acknowledge
the financial support from DFG within the project SFB 917: Nanoswitches. M.C.S.
received funding from the European Union’s Horizon 2020 research and innovation
programme under the Marie Skłodowska-Curie grant agreement No. 754510 (PROBIST)
and the Severo Ochoa programme. J.D. received funding from the European Union’s
Horizon 2020 research and innovation programme under the Marie Sklodowska-Curie
grant agreement No. 665919 (P-SPHERE) cofunded by Severo Ochoa Programme. The ICN2
is funded by the CERCA Program/Generalitat de Catalunya and by the Severo Ochoa
program of the Spanish Ministry of Economy, Industry, and Competitiveness (MINECO,
grant no. SEV-2017-0706). ICN2 acknowledges funding from Generalitat de Catalunya
2017 SGR 327 and the Spanish MINECO project NANOGEN (PID2020-116093RB-C43). This
project received funding from the European Union’s Horizon 2020 research and innovation
program under grant agreement No. 823717-ESTEEM3. The FIB sample preparation was
conducted in the LMA-INA-Universidad de Zaragoza.'
article_processing_charge: Yes (via OA deal)
article_type: original
author:
- first_name: Yu
full_name: Liu, Yu
id: 2A70014E-F248-11E8-B48F-1D18A9856A87
last_name: Liu
orcid: 0000-0001-7313-6740
- first_name: Mariano
full_name: Calcabrini, Mariano
id: 45D7531A-F248-11E8-B48F-1D18A9856A87
last_name: Calcabrini
orcid: 0000-0003-4566-5877
- first_name: Yuan
full_name: Yu, Yuan
last_name: Yu
- first_name: Seungho
full_name: Lee, Seungho
id: BB243B88-D767-11E9-B658-BC13E6697425
last_name: Lee
orcid: 0000-0002-6962-8598
- first_name: Cheng
full_name: Chang, Cheng
id: 9E331C2E-9F27-11E9-AE48-5033E6697425
last_name: Chang
orcid: 0000-0002-9515-4277
- first_name: Jérémy
full_name: David, Jérémy
last_name: David
- first_name: Tanmoy
full_name: Ghosh, Tanmoy
id: a5fc9bc3-feff-11ea-93fe-e8015a3c7e9d
last_name: Ghosh
- first_name: Maria Chiara
full_name: Spadaro, Maria Chiara
last_name: Spadaro
- first_name: Chenyang
full_name: Xie, Chenyang
last_name: Xie
- first_name: Oana
full_name: Cojocaru-Mirédin, Oana
last_name: Cojocaru-Mirédin
- first_name: Jordi
full_name: Arbiol, Jordi
last_name: Arbiol
- first_name: Maria
full_name: Ibáñez, Maria
id: 43C61214-F248-11E8-B48F-1D18A9856A87
last_name: Ibáñez
orcid: 0000-0001-5013-2843
citation:
ama: Liu Y, Calcabrini M, Yu Y, et al. Defect engineering in solution-processed
polycrystalline SnSe leads to high thermoelectric performance. ACS Nano.
2022;16(1):78-88. doi:10.1021/acsnano.1c06720
apa: Liu, Y., Calcabrini, M., Yu, Y., Lee, S., Chang, C., David, J., … Ibáñez, M.
(2022). Defect engineering in solution-processed polycrystalline SnSe leads to
high thermoelectric performance. ACS Nano. American Chemical Society .
https://doi.org/10.1021/acsnano.1c06720
chicago: Liu, Yu, Mariano Calcabrini, Yuan Yu, Seungho Lee, Cheng Chang, Jérémy
David, Tanmoy Ghosh, et al. “Defect Engineering in Solution-Processed Polycrystalline
SnSe Leads to High Thermoelectric Performance.” ACS Nano. American Chemical
Society , 2022. https://doi.org/10.1021/acsnano.1c06720.
ieee: Y. Liu et al., “Defect engineering in solution-processed polycrystalline
SnSe leads to high thermoelectric performance,” ACS Nano, vol. 16, no.
1. American Chemical Society , pp. 78–88, 2022.
ista: Liu Y, Calcabrini M, Yu Y, Lee S, Chang C, David J, Ghosh T, Spadaro MC, Xie
C, Cojocaru-Mirédin O, Arbiol J, Ibáñez M. 2022. Defect engineering in solution-processed
polycrystalline SnSe leads to high thermoelectric performance. ACS Nano. 16(1),
78–88.
mla: Liu, Yu, et al. “Defect Engineering in Solution-Processed Polycrystalline SnSe
Leads to High Thermoelectric Performance.” ACS Nano, vol. 16, no. 1, American
Chemical Society , 2022, pp. 78–88, doi:10.1021/acsnano.1c06720.
short: Y. Liu, M. Calcabrini, Y. Yu, S. Lee, C. Chang, J. David, T. Ghosh, M.C.
Spadaro, C. Xie, O. Cojocaru-Mirédin, J. Arbiol, M. Ibáñez, ACS Nano 16 (2022)
78–88.
corr_author: '1'
date_created: 2021-09-24T07:55:12Z
date_published: 2022-01-25T00:00:00Z
date_updated: 2026-04-07T13:26:13Z
day: '25'
ddc:
- '540'
department:
- _id: MaIb
doi: 10.1021/acsnano.1c06720
ec_funded: 1
external_id:
isi:
- '000767223400008'
pmid:
- '34549956'
file:
- access_level: open_access
checksum: 74f9c1aa5f95c0b992a4328e8e0247b4
content_type: application/pdf
creator: cchlebak
date_created: 2022-03-02T16:17:29Z
date_updated: 2022-03-02T16:17:29Z
file_id: '10808'
file_name: 2022_ACSNano_Liu.pdf
file_size: 9050764
relation: main_file
success: 1
file_date_updated: 2022-03-02T16:17:29Z
has_accepted_license: '1'
intvolume: ' 16'
isi: 1
issue: '1'
keyword:
- tin selenide
- nanocomposite
- grain growth
- Zener pinning
- thermoelectricity
- annealing
- solution processing
language:
- iso: eng
month: '01'
oa: 1
oa_version: Published Version
page: 78-88
pmid: 1
project:
- _id: 260C2330-B435-11E9-9278-68D0E5697425
call_identifier: H2020
grant_number: '754411'
name: ISTplus - Postdoctoral Fellowships
- _id: 2564DBCA-B435-11E9-9278-68D0E5697425
call_identifier: H2020
grant_number: '665385'
name: International IST Doctoral Program
- _id: 9B8F7476-BA93-11EA-9121-9846C619BF3A
name: 'HighTE: The Werner Siemens Laboratory for the High Throughput Discovery of
Semiconductors for Waste Heat Recovery'
- _id: 9B8804FC-BA93-11EA-9121-9846C619BF3A
grant_number: M02889
name: Bottom-up Engineering for Thermoelectric Applications
publication: ACS Nano
publication_identifier:
eissn:
- 1936-086X
issn:
- 1936-0851
publication_status: published
publisher: 'American Chemical Society '
quality_controlled: '1'
related_material:
record:
- id: '12885'
relation: dissertation_contains
status: public
scopus_import: '1'
status: public
title: Defect engineering in solution-processed polycrystalline SnSe leads to high
thermoelectric performance
tmp:
image: /images/cc_by.png
legal_code_url: https://creativecommons.org/licenses/by/4.0/legalcode
name: Creative Commons Attribution 4.0 International Public License (CC-BY 4.0)
short: CC BY (4.0)
type: journal_article
user_id: 4359f0d1-fa6c-11eb-b949-802e58b17ae8
volume: 16
year: '2022'
...
---
_id: '12237'
abstract:
- lang: eng
text: Thermoelectric technology requires synthesizing complex materials where not
only the crystal structure but also other structural features such as defects,
grain size and orientation, and interfaces must be controlled. To date, conventional
solid-state techniques are unable to provide this level of control. Herein, we
present a synthetic approach in which dense inorganic thermoelectric materials
are produced by the consolidation of well-defined nanoparticle powders. The idea
is that controlling the characteristics of the powder allows the chemical transformations
that take place during consolidation to be guided, ultimately yielding inorganic
solids with targeted features. Different from conventional methods, syntheses
in solution can produce particles with unprecedented control over their size,
shape, crystal structure, composition, and surface chemistry. However, to date,
most works have focused only on the low-cost benefits of this strategy. In this
perspective, we first cover the opportunities that solution processing of the
powder offers, emphasizing the potential structural features that can be controlled
by precisely engineering the inorganic core of the particle, the surface, and
the organization of the particles before consolidation. We then discuss the challenges
of this synthetic approach and more practical matters related to solution processing.
Finally, we suggest some good practices for adequate knowledge transfer and improving
reproducibility among different laboratories.
acknowledgement: This work was financially supported by ISTA and the Werner Siemens
Foundation. M.C. has received funding from the European Union’s Horizon 2020 research
and innovation program under the Marie Skłodowska-Curie Grant Agreement no. 665385.
article_processing_charge: Yes (via OA deal)
article_type: original
author:
- first_name: Christine
full_name: Fiedler, Christine
id: bd3fceba-dc74-11ea-a0a7-c17f71817366
last_name: Fiedler
- first_name: Tobias
full_name: Kleinhanns, Tobias
id: 8BD9DE16-AB3C-11E9-9C8C-2A03E6697425
last_name: Kleinhanns
orcid: 0000-0003-1537-7436
- first_name: Maria
full_name: Garcia, Maria
id: 6e5c50b8-97dc-11ed-be98-b0a74c84cae0
last_name: Garcia
- first_name: Seungho
full_name: Lee, Seungho
id: BB243B88-D767-11E9-B658-BC13E6697425
last_name: Lee
orcid: 0000-0002-6962-8598
- first_name: Mariano
full_name: Calcabrini, Mariano
id: 45D7531A-F248-11E8-B48F-1D18A9856A87
last_name: Calcabrini
orcid: 0000-0003-4566-5877
- first_name: Maria
full_name: Ibáñez, Maria
id: 43C61214-F248-11E8-B48F-1D18A9856A87
last_name: Ibáñez
orcid: 0000-0001-5013-2843
citation:
ama: 'Fiedler C, Kleinhanns T, Garcia M, Lee S, Calcabrini M, Ibáñez M. Solution-processed
inorganic thermoelectric materials: Opportunities and challenges ∇. Chemistry
of Materials. 2022;34(19):8471-8489. doi:10.1021/acs.chemmater.2c01967'
apa: 'Fiedler, C., Kleinhanns, T., Garcia, M., Lee, S., Calcabrini, M., & Ibáñez,
M. (2022). Solution-processed inorganic thermoelectric materials: Opportunities
and challenges ∇. Chemistry of Materials. American Chemical Society. https://doi.org/10.1021/acs.chemmater.2c01967'
chicago: 'Fiedler, Christine, Tobias Kleinhanns, Maria Garcia, Seungho Lee, Mariano
Calcabrini, and Maria Ibáñez. “Solution-Processed Inorganic Thermoelectric Materials:
Opportunities and Challenges ∇.” Chemistry of Materials. American Chemical
Society, 2022. https://doi.org/10.1021/acs.chemmater.2c01967.'
ieee: 'C. Fiedler, T. Kleinhanns, M. Garcia, S. Lee, M. Calcabrini, and M. Ibáñez,
“Solution-processed inorganic thermoelectric materials: Opportunities and challenges
∇,” Chemistry of Materials, vol. 34, no. 19. American Chemical Society,
pp. 8471–8489, 2022.'
ista: 'Fiedler C, Kleinhanns T, Garcia M, Lee S, Calcabrini M, Ibáñez M. 2022. Solution-processed
inorganic thermoelectric materials: Opportunities and challenges ∇. Chemistry
of Materials. 34(19), 8471–8489.'
mla: 'Fiedler, Christine, et al. “Solution-Processed Inorganic Thermoelectric Materials:
Opportunities and Challenges ∇.” Chemistry of Materials, vol. 34, no. 19,
American Chemical Society, 2022, pp. 8471–89, doi:10.1021/acs.chemmater.2c01967.'
short: C. Fiedler, T. Kleinhanns, M. Garcia, S. Lee, M. Calcabrini, M. Ibáñez, Chemistry
of Materials 34 (2022) 8471–8489.
corr_author: '1'
date_created: 2023-01-16T09:51:26Z
date_published: 2022-09-20T00:00:00Z
date_updated: 2026-04-07T13:26:13Z
day: '20'
ddc:
- '540'
department:
- _id: MaIb
doi: 10.1021/acs.chemmater.2c01967
ec_funded: 1
external_id:
isi:
- '000917837600001'
pmid:
- '36248227'
file:
- access_level: open_access
checksum: f7143e44ab510519d1949099c3558532
content_type: application/pdf
creator: dernst
date_created: 2023-01-30T07:35:09Z
date_updated: 2023-01-30T07:35:09Z
file_id: '12434'
file_name: 2022_ChemistryMaterials_Fiedler.pdf
file_size: 10923495
relation: main_file
success: 1
file_date_updated: 2023-01-30T07:35:09Z
has_accepted_license: '1'
intvolume: ' 34'
isi: 1
issue: '19'
keyword:
- Materials Chemistry
- General Chemical Engineering
- General Chemistry
language:
- iso: eng
month: '09'
oa: 1
oa_version: Published Version
page: 8471-8489
pmid: 1
project:
- _id: 2564DBCA-B435-11E9-9278-68D0E5697425
call_identifier: H2020
grant_number: '665385'
name: International IST Doctoral Program
publication: Chemistry of Materials
publication_identifier:
eissn:
- 1520-5002
issn:
- 0897-4756
publication_status: published
publisher: American Chemical Society
quality_controlled: '1'
related_material:
record:
- id: '20415'
relation: dissertation_contains
status: public
- id: '12885'
relation: dissertation_contains
status: public
scopus_import: '1'
status: public
title: 'Solution-processed inorganic thermoelectric materials: Opportunities and challenges
∇'
tmp:
image: /images/cc_by.png
legal_code_url: https://creativecommons.org/licenses/by/4.0/legalcode
name: Creative Commons Attribution 4.0 International Public License (CC-BY 4.0)
short: CC BY (4.0)
type: journal_article
user_id: 3E5EF7F0-F248-11E8-B48F-1D18A9856A87
volume: 34
year: '2022'
...
---
_id: '9304'
abstract:
- lang: eng
text: The high processing cost, poor mechanical properties and moderate performance
of Bi2Te3–based alloys used in thermoelectric devices limit the cost-effectiveness
of this energy conversion technology. Towards solving these current challenges,
in the present work, we detail a low temperature solution-based approach to produce
Bi2Te3-Cu2-xTe nanocomposites with improved thermoelectric performance. Our approach
consists in combining proper ratios of colloidal nanoparticles and to consolidate
the resulting mixture into nanocomposites using a hot press. The transport properties
of the nanocomposites are characterized and compared with those of pure Bi2Te3
nanomaterials obtained following the same procedure. In contrast with most previous
works, the presence of Cu2-xTe nanodomains does not result in a significant reduction
of the lattice thermal conductivity of the reference Bi2Te3 nanomaterial, which
is already very low. However, the introduction of Cu2-xTe yields a nearly threefold
increase of the power factor associated to a simultaneous increase of the Seebeck
coefficient and electrical conductivity at temperatures above 400 K. Taking into
account the band alignment of the two materials, we rationalize this increase
by considering that Cu2-xTe nanostructures, with a relatively low electron affinity,
are able to inject electrons into Bi2Te3, enhancing in this way its electrical
conductivity. The simultaneous increase of the Seebeck coefficient is related
to the energy filtering of charge carriers at energy barriers within Bi2Te3 domains
associated with the accumulation of electrons in regions nearby a Cu2-xTe/Bi2Te3
heterojunction. Overall, with the incorporation of a proper amount of Cu2-xTe
nanoparticles, we demonstrate a 250% improvement of the thermoelectric figure
of merit of Bi2Te3.
acknowledgement: "This work was supported by the European Regional Development Funds
and by the Generalitat de Catalunya through the project 2017SGR1246. Y.Z, C.X, M.L,
K.X and X.H thank the China Scholarship Council for the scholarship support. MI
acknowledges financial support from IST Austria. YL acknowledges funding from the
European Union’s Horizon 2020 research and innovation program under the Marie Sklodowska-Curie
grant agreement No. 754411. ICN2\r\nacknowledges funding from Generalitat de Catalunya
2017 SGR 327 and the Spanish MINECO project ENE2017-85087-C3. ICN2 is supported
by the Severo Ochoa program from the Spanish MINECO (grant no. SEV-2017-0706) and
is funded by the CERCA Program/Generalitat de Catalunya. Part of the present work
has been performed in the framework of Universitat Autònoma de Barcelona Materials
Science PhD program."
article_number: '129374'
article_processing_charge: No
article_type: original
author:
- first_name: Yu
full_name: Zhang, Yu
last_name: Zhang
- first_name: Congcong
full_name: Xing, Congcong
last_name: Xing
- first_name: Yu
full_name: Liu, Yu
id: 2A70014E-F248-11E8-B48F-1D18A9856A87
last_name: Liu
orcid: 0000-0001-7313-6740
- first_name: Mengyao
full_name: Li, Mengyao
last_name: Li
- first_name: Ke
full_name: Xiao, Ke
last_name: Xiao
- first_name: Pablo
full_name: Guardia, Pablo
last_name: Guardia
- first_name: Seungho
full_name: Lee, Seungho
id: BB243B88-D767-11E9-B658-BC13E6697425
last_name: Lee
orcid: 0000-0002-6962-8598
- first_name: Xu
full_name: Han, Xu
last_name: Han
- first_name: Ahmad
full_name: Moghaddam, Ahmad
last_name: Moghaddam
- first_name: Joan J
full_name: Roa, Joan J
last_name: Roa
- first_name: Jordi
full_name: Arbiol, Jordi
last_name: Arbiol
- first_name: Maria
full_name: Ibáñez, Maria
id: 43C61214-F248-11E8-B48F-1D18A9856A87
last_name: Ibáñez
orcid: 0000-0001-5013-2843
- first_name: Kai
full_name: Pan, Kai
last_name: Pan
- first_name: Mirko
full_name: Prato, Mirko
last_name: Prato
- first_name: Ying
full_name: Xie, Ying
last_name: Xie
- first_name: Andreu
full_name: Cabot, Andreu
last_name: Cabot
citation:
ama: Zhang Y, Xing C, Liu Y, et al. Influence of copper telluride nanodomains on
the transport properties of n-type bismuth telluride. Chemical Engineering
Journal. 2021;418(8). doi:10.1016/j.cej.2021.129374
apa: Zhang, Y., Xing, C., Liu, Y., Li, M., Xiao, K., Guardia, P., … Cabot, A. (2021).
Influence of copper telluride nanodomains on the transport properties of n-type
bismuth telluride. Chemical Engineering Journal. Elsevier. https://doi.org/10.1016/j.cej.2021.129374
chicago: Zhang, Yu, Congcong Xing, Yu Liu, Mengyao Li, Ke Xiao, Pablo Guardia, Seungho
Lee, et al. “Influence of Copper Telluride Nanodomains on the Transport Properties
of N-Type Bismuth Telluride.” Chemical Engineering Journal. Elsevier, 2021.
https://doi.org/10.1016/j.cej.2021.129374.
ieee: Y. Zhang et al., “Influence of copper telluride nanodomains on the
transport properties of n-type bismuth telluride,” Chemical Engineering Journal,
vol. 418, no. 8. Elsevier, 2021.
ista: Zhang Y, Xing C, Liu Y, Li M, Xiao K, Guardia P, Lee S, Han X, Moghaddam A,
Roa JJ, Arbiol J, Ibáñez M, Pan K, Prato M, Xie Y, Cabot A. 2021. Influence of
copper telluride nanodomains on the transport properties of n-type bismuth telluride.
Chemical Engineering Journal. 418(8), 129374.
mla: Zhang, Yu, et al. “Influence of Copper Telluride Nanodomains on the Transport
Properties of N-Type Bismuth Telluride.” Chemical Engineering Journal,
vol. 418, no. 8, 129374, Elsevier, 2021, doi:10.1016/j.cej.2021.129374.
short: Y. Zhang, C. Xing, Y. Liu, M. Li, K. Xiao, P. Guardia, S. Lee, X. Han, A.
Moghaddam, J.J. Roa, J. Arbiol, M. Ibáñez, K. Pan, M. Prato, Y. Xie, A. Cabot,
Chemical Engineering Journal 418 (2021).
date_created: 2021-04-04T22:01:20Z
date_published: 2021-08-15T00:00:00Z
date_updated: 2025-04-14T07:43:52Z
day: '15'
department:
- _id: MaIb
doi: 10.1016/j.cej.2021.129374
ec_funded: 1
external_id:
isi:
- '000655672000005'
intvolume: ' 418'
isi: 1
issue: '8'
language:
- iso: eng
main_file_link:
- open_access: '1'
url: https://ddd.uab.cat/record/271949
month: '08'
oa: 1
oa_version: Submitted Version
project:
- _id: 260C2330-B435-11E9-9278-68D0E5697425
call_identifier: H2020
grant_number: '754411'
name: ISTplus - Postdoctoral Fellowships
publication: Chemical Engineering Journal
publication_identifier:
issn:
- 1385-8947
publication_status: published
publisher: Elsevier
quality_controlled: '1'
scopus_import: '1'
status: public
title: Influence of copper telluride nanodomains on the transport properties of n-type
bismuth telluride
type: journal_article
user_id: 2DF688A6-F248-11E8-B48F-1D18A9856A87
volume: 418
year: '2021'
...
---
_id: '10123'
abstract:
- lang: eng
text: Solution synthesis of particles emerged as an alternative to prepare thermoelectric
materials with less demanding processing conditions than conventional solid-state
synthetic methods. However, solution synthesis generally involves the presence
of additional molecules or ions belonging to the precursors or added to enable
solubility and/or regulate nucleation and growth. These molecules or ions can
end up in the particles as surface adsorbates and interfere in the material properties.
This work demonstrates that ionic adsorbates, in particular Na⁺ ions, are electrostatically
adsorbed in SnSe particles synthesized in water and play a crucial role not only
in directing the material nano/microstructure but also in determining the transport
properties of the consolidated material. In dense pellets prepared by sintering
SnSe particles, Na remains within the crystal lattice as dopant, in dislocations,
precipitates, and forming grain boundary complexions. These results highlight
the importance of considering all the possible unintentional impurities to establish
proper structure-property relationships and control material properties in solution-processed
thermoelectric materials.
acknowledged_ssus:
- _id: EM-Fac
- _id: NanoFab
acknowledgement: 'Y.L. and M.C. contributed equally to this work. This research was
supported by the Scientific Service Units (SSU) of IST Austria through resources
provided by Electron Microscopy Facility (EMF) and the Nanofabrication Facility
(NNF). This work was financially supported by IST Austria and the Werner Siemens
Foundation. Y.L. acknowledges funding from the European Union''s Horizon 2020 research
and innovation program under the Marie Sklodowska-Curie grant agreement No. 754411.
M.C. has received funding from the European Union''s Horizon 2020 research and innovation
program under the Marie Skłodowska-Curie Grant Agreement No. 665385. Y.Y. and O.C.-M.
acknowledge the financial support from DFG within the project SFB 917: Nanoswitches.
J.L. is a Serra Húnter Fellow and is grateful to ICREA Academia program. C.C. acknowledges
funding from the FWF “Lise Meitner Fellowship” grant agreement M 2889-N.'
article_number: '2106858'
article_processing_charge: Yes (via OA deal)
article_type: original
author:
- first_name: Yu
full_name: Liu, Yu
id: 2A70014E-F248-11E8-B48F-1D18A9856A87
last_name: Liu
orcid: 0000-0001-7313-6740
- first_name: Mariano
full_name: Calcabrini, Mariano
id: 45D7531A-F248-11E8-B48F-1D18A9856A87
last_name: Calcabrini
orcid: 0000-0003-4566-5877
- first_name: Yuan
full_name: Yu, Yuan
last_name: Yu
- first_name: Aziz
full_name: Genç, Aziz
last_name: Genç
- first_name: Cheng
full_name: Chang, Cheng
id: 9E331C2E-9F27-11E9-AE48-5033E6697425
last_name: Chang
orcid: 0000-0002-9515-4277
- first_name: Tommaso
full_name: Costanzo, Tommaso
id: D93824F4-D9BA-11E9-BB12-F207E6697425
last_name: Costanzo
orcid: 0000-0001-9732-3815
- first_name: Tobias
full_name: Kleinhanns, Tobias
id: 8BD9DE16-AB3C-11E9-9C8C-2A03E6697425
last_name: Kleinhanns
orcid: 0000-0003-1537-7436
- first_name: Seungho
full_name: Lee, Seungho
id: BB243B88-D767-11E9-B658-BC13E6697425
last_name: Lee
orcid: 0000-0002-6962-8598
- first_name: Jordi
full_name: Llorca, Jordi
last_name: Llorca
- first_name: Oana
full_name: Cojocaru‐Mirédin, Oana
last_name: Cojocaru‐Mirédin
- first_name: Maria
full_name: Ibáñez, Maria
id: 43C61214-F248-11E8-B48F-1D18A9856A87
last_name: Ibáñez
orcid: 0000-0001-5013-2843
citation:
ama: 'Liu Y, Calcabrini M, Yu Y, et al. The importance of surface adsorbates in
solution‐processed thermoelectric materials: The case of SnSe. Advanced Materials.
2021;33(52). doi:10.1002/adma.202106858'
apa: 'Liu, Y., Calcabrini, M., Yu, Y., Genç, A., Chang, C., Costanzo, T., … Ibáñez,
M. (2021). The importance of surface adsorbates in solution‐processed thermoelectric
materials: The case of SnSe. Advanced Materials. Wiley. https://doi.org/10.1002/adma.202106858'
chicago: 'Liu, Yu, Mariano Calcabrini, Yuan Yu, Aziz Genç, Cheng Chang, Tommaso
Costanzo, Tobias Kleinhanns, et al. “The Importance of Surface Adsorbates in Solution‐processed
Thermoelectric Materials: The Case of SnSe.” Advanced Materials. Wiley,
2021. https://doi.org/10.1002/adma.202106858.'
ieee: 'Y. Liu et al., “The importance of surface adsorbates in solution‐processed
thermoelectric materials: The case of SnSe,” Advanced Materials, vol. 33,
no. 52. Wiley, 2021.'
ista: 'Liu Y, Calcabrini M, Yu Y, Genç A, Chang C, Costanzo T, Kleinhanns T, Lee
S, Llorca J, Cojocaru‐Mirédin O, Ibáñez M. 2021. The importance of surface adsorbates
in solution‐processed thermoelectric materials: The case of SnSe. Advanced Materials.
33(52), 2106858.'
mla: 'Liu, Yu, et al. “The Importance of Surface Adsorbates in Solution‐processed
Thermoelectric Materials: The Case of SnSe.” Advanced Materials, vol. 33,
no. 52, 2106858, Wiley, 2021, doi:10.1002/adma.202106858.'
short: Y. Liu, M. Calcabrini, Y. Yu, A. Genç, C. Chang, T. Costanzo, T. Kleinhanns,
S. Lee, J. Llorca, O. Cojocaru‐Mirédin, M. Ibáñez, Advanced Materials 33 (2021).
corr_author: '1'
date_created: 2021-10-11T20:07:24Z
date_published: 2021-12-29T00:00:00Z
date_updated: 2026-04-07T13:26:13Z
day: '29'
ddc:
- '620'
department:
- _id: EM-Fac
- _id: MaIb
doi: 10.1002/adma.202106858
ec_funded: 1
external_id:
isi:
- '000709899300001'
pmid:
- '34626034'
file:
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content_type: application/pdf
creator: cchlebak
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file_size: 5595666
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success: 1
file_date_updated: 2022-02-03T13:16:14Z
has_accepted_license: '1'
intvolume: ' 33'
isi: 1
issue: '52'
keyword:
- mechanical engineering
- mechanics of materials
- general materials science
language:
- iso: eng
month: '12'
oa: 1
oa_version: Published Version
pmid: 1
project:
- _id: 2564DBCA-B435-11E9-9278-68D0E5697425
call_identifier: H2020
grant_number: '665385'
name: International IST Doctoral Program
- _id: 260C2330-B435-11E9-9278-68D0E5697425
call_identifier: H2020
grant_number: '754411'
name: ISTplus - Postdoctoral Fellowships
- _id: 9B8804FC-BA93-11EA-9121-9846C619BF3A
grant_number: M02889
name: Bottom-up Engineering for Thermoelectric Applications
- _id: 9B8F7476-BA93-11EA-9121-9846C619BF3A
name: 'HighTE: The Werner Siemens Laboratory for the High Throughput Discovery of
Semiconductors for Waste Heat Recovery'
publication: Advanced Materials
publication_identifier:
eissn:
- 1521-4095
issn:
- 0935-9648
publication_status: published
publisher: Wiley
quality_controlled: '1'
related_material:
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relation: later_version
status: public
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relation: dissertation_contains
status: public
scopus_import: '1'
status: public
title: 'The importance of surface adsorbates in solution‐processed thermoelectric
materials: The case of SnSe'
tmp:
image: /images/cc_by.png
legal_code_url: https://creativecommons.org/licenses/by/4.0/legalcode
name: Creative Commons Attribution 4.0 International Public License (CC-BY 4.0)
short: CC BY (4.0)
type: journal_article
user_id: 4359f0d1-fa6c-11eb-b949-802e58b17ae8
volume: 33
year: '2021'
...
---
_id: '9118'
abstract:
- lang: eng
text: Cesium lead halides have intrinsically unstable crystal lattices and easily
transform within perovskite and nonperovskite structures. In this work, we explore
the conversion of the perovskite CsPbBr3 into Cs4PbBr6 in the presence of PbS
at 450 °C to produce doped nanocrystal-based composites with embedded Cs4PbBr6
nanoprecipitates. We show that PbBr2 is extracted from CsPbBr3 and diffuses into
the PbS lattice with a consequent increase in the concentration of free charge
carriers. This new doping strategy enables the adjustment of the density of charge
carriers between 1019 and 1020 cm–3, and it may serve as a general strategy for
doping other nanocrystal-based semiconductors.
acknowledgement: "M.C. has received funding from the European Union’s Horizon 2020
research and innovation programme under the Marie Skłodowska-Curie Grant Agreement
No. 665385. ICN2\r\nacknowledges funding from Generalitat de Catalunya 2017 SGR
327. ICN2 is supported by the Severo Ochoa program from Spanish MINECO (Grant No.
SEV-2017-0706) and is funded by the CERCA Programme/Generalitat de Catalunya. This
project has received funding from the European Union’s Horizon 2020 research and
innovation programme under grant agreement No 823717 − ESTEEM3. M.V.K. acknowledges
the support by the European Research Council under the Horizon 2020 Framework Program
(ERC Consolidator Grant SCALEHALO\r\nGrant Agreement No. 819740) and by FET-OPEN
project no. 862656 (DROP-IT)."
article_processing_charge: Yes (via OA deal)
article_type: original
author:
- first_name: Mariano
full_name: Calcabrini, Mariano
id: 45D7531A-F248-11E8-B48F-1D18A9856A87
last_name: Calcabrini
orcid: 0000-0003-4566-5877
- first_name: Aziz
full_name: Genc, Aziz
last_name: Genc
- first_name: Yu
full_name: Liu, Yu
id: 2A70014E-F248-11E8-B48F-1D18A9856A87
last_name: Liu
orcid: 0000-0001-7313-6740
- first_name: Tobias
full_name: Kleinhanns, Tobias
id: 8BD9DE16-AB3C-11E9-9C8C-2A03E6697425
last_name: Kleinhanns
orcid: 0000-0003-1537-7436
- first_name: Seungho
full_name: Lee, Seungho
id: BB243B88-D767-11E9-B658-BC13E6697425
last_name: Lee
orcid: 0000-0002-6962-8598
- first_name: Dmitry N.
full_name: Dirin, Dmitry N.
last_name: Dirin
- first_name: Quinten A.
full_name: Akkerman, Quinten A.
last_name: Akkerman
- first_name: Maksym V.
full_name: Kovalenko, Maksym V.
last_name: Kovalenko
- first_name: Jordi
full_name: Arbiol, Jordi
last_name: Arbiol
- first_name: Maria
full_name: Ibáñez, Maria
id: 43C61214-F248-11E8-B48F-1D18A9856A87
last_name: Ibáñez
orcid: 0000-0001-5013-2843
citation:
ama: Calcabrini M, Genc A, Liu Y, et al. Exploiting the lability of metal halide
perovskites for doping semiconductor nanocomposites. ACS Energy Letters.
2021;6(2):581-587. doi:10.1021/acsenergylett.0c02448
apa: Calcabrini, M., Genc, A., Liu, Y., Kleinhanns, T., Lee, S., Dirin, D. N., …
Ibáñez, M. (2021). Exploiting the lability of metal halide perovskites for doping
semiconductor nanocomposites. ACS Energy Letters. American Chemical Society.
https://doi.org/10.1021/acsenergylett.0c02448
chicago: Calcabrini, Mariano, Aziz Genc, Yu Liu, Tobias Kleinhanns, Seungho Lee,
Dmitry N. Dirin, Quinten A. Akkerman, Maksym V. Kovalenko, Jordi Arbiol, and Maria
Ibáñez. “Exploiting the Lability of Metal Halide Perovskites for Doping Semiconductor
Nanocomposites.” ACS Energy Letters. American Chemical Society, 2021. https://doi.org/10.1021/acsenergylett.0c02448.
ieee: M. Calcabrini et al., “Exploiting the lability of metal halide perovskites
for doping semiconductor nanocomposites,” ACS Energy Letters, vol. 6, no.
2. American Chemical Society, pp. 581–587, 2021.
ista: Calcabrini M, Genc A, Liu Y, Kleinhanns T, Lee S, Dirin DN, Akkerman QA, Kovalenko
MV, Arbiol J, Ibáñez M. 2021. Exploiting the lability of metal halide perovskites
for doping semiconductor nanocomposites. ACS Energy Letters. 6(2), 581–587.
mla: Calcabrini, Mariano, et al. “Exploiting the Lability of Metal Halide Perovskites
for Doping Semiconductor Nanocomposites.” ACS Energy Letters, vol. 6, no.
2, American Chemical Society, 2021, pp. 581–87, doi:10.1021/acsenergylett.0c02448.
short: M. Calcabrini, A. Genc, Y. Liu, T. Kleinhanns, S. Lee, D.N. Dirin, Q.A. Akkerman,
M.V. Kovalenko, J. Arbiol, M. Ibáñez, ACS Energy Letters 6 (2021) 581–587.
date_created: 2021-02-14T23:01:14Z
date_published: 2021-01-20T00:00:00Z
date_updated: 2026-04-07T13:26:13Z
day: '20'
ddc:
- '540'
department:
- _id: MaIb
doi: 10.1021/acsenergylett.0c02448
ec_funded: 1
external_id:
isi:
- '000619803400036'
pmid:
- '33614964'
file:
- access_level: open_access
checksum: 6fa7374bf8b95fdfe6e6c595322a6689
content_type: application/pdf
creator: dernst
date_created: 2021-02-17T07:36:52Z
date_updated: 2021-02-17T07:36:52Z
file_id: '9155'
file_name: 2021_ACSEnergyLetters_Calcabrini.pdf
file_size: 5071201
relation: main_file
success: 1
file_date_updated: 2021-02-17T07:36:52Z
has_accepted_license: '1'
intvolume: ' 6'
isi: 1
issue: '2'
language:
- iso: eng
month: '01'
oa: 1
oa_version: Published Version
page: 581-587
pmid: 1
project:
- _id: 2564DBCA-B435-11E9-9278-68D0E5697425
call_identifier: H2020
grant_number: '665385'
name: International IST Doctoral Program
publication: ACS Energy Letters
publication_identifier:
eissn:
- 2380-8195
publication_status: published
publisher: American Chemical Society
quality_controlled: '1'
related_material:
record:
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relation: dissertation_contains
status: public
scopus_import: '1'
status: public
title: Exploiting the lability of metal halide perovskites for doping semiconductor
nanocomposites
tmp:
image: /images/cc_by.png
legal_code_url: https://creativecommons.org/licenses/by/4.0/legalcode
name: Creative Commons Attribution 4.0 International Public License (CC-BY 4.0)
short: CC BY (4.0)
type: journal_article
user_id: 2DF688A6-F248-11E8-B48F-1D18A9856A87
volume: 6
year: '2021'
...
---
OA_place: repository
OA_type: green
_id: '8926'
abstract:
- lang: eng
text: 'Bimetallic nanoparticles with tailored size and specific composition have
shown promise as stable and selective catalysts for electrochemical reduction
of CO2 (CO2R) in batch systems. Yet, limited effort was devoted to understand
the effect of ligand coverage and postsynthesis treatments on CO2 reduction, especially
under industrially applicable conditions, such as at high currents (>100 mA/cm2)
using gas diffusion electrodes (GDE) and flow reactors. In this work, Cu–Ag core–shell
nanoparticles (11 ± 2 nm) were prepared with three different surface modes: (i)
capped with oleylamine, (ii) capped with monoisopropylamine, and (iii) surfactant-free
with a reducing borohydride agent; Cu–Ag (OAm), Cu–Ag (MIPA), and Cu–Ag (NaBH4),
respectively. The ligand exchange and removal was evidenced by infrared spectroscopy
(ATR-FTIR) analysis, whereas high-resolution scanning transmission electron microscopy
(HAADF-STEM) showed their effect on the interparticle distance and nanoparticle
rearrangement. Later on, we developed a process-on-substrate method to track these
effects on CO2R. Cu–Ag (OAm) gave a lower on-set potential for hydrocarbon production,
whereas Cu–Ag (MIPA) and Cu–Ag (NaBH4) promoted syngas production. The electrochemical
impedance and surface area analysis on the well-controlled electrodes showed gradual
increases in the electrical conductivity and active surface area after each surface
treatment. We found that the increasing amount of the triple phase boundaries
(the meeting point for the electron–electrolyte–CO2 reactant) affect the required
electrode potential and eventually the C+2e̅/C2e̅ product ratio. This study highlights
the importance of the electron transfer to those active sites affected by the
capping agents—particularly on larger substrates that are crucial for their industrial
application.'
acknowledgement: The authors also acknowledge financial support from the University
Research Fund (BOF-GOA-PS ID No. 33928). S.L. has received funding from the European
Union’s Horizon 2020 research and innovation program under the Marie Skłodowska-Curie
Grant Agreement No. 665385.
article_processing_charge: No
article_type: original
author:
- first_name: Erdem
full_name: Irtem, Erdem
last_name: Irtem
- first_name: Daniel
full_name: Arenas Esteban, Daniel
last_name: Arenas Esteban
- first_name: Miguel
full_name: Duarte, Miguel
last_name: Duarte
- first_name: Daniel
full_name: Choukroun, Daniel
last_name: Choukroun
- first_name: Seungho
full_name: Lee, Seungho
id: BB243B88-D767-11E9-B658-BC13E6697425
last_name: Lee
orcid: 0000-0002-6962-8598
- first_name: Maria
full_name: Ibáñez, Maria
id: 43C61214-F248-11E8-B48F-1D18A9856A87
last_name: Ibáñez
orcid: 0000-0001-5013-2843
- first_name: Sara
full_name: Bals, Sara
last_name: Bals
- first_name: Tom
full_name: Breugelmans, Tom
last_name: Breugelmans
citation:
ama: Irtem E, Arenas Esteban D, Duarte M, et al. Ligand-mode directed selectivity
in Cu-Ag core-shell based gas diffusion electrodes for CO2 electroreduction. ACS
Catalysis. 2020;10(22):13468-13478. doi:10.1021/acscatal.0c03210
apa: Irtem, E., Arenas Esteban, D., Duarte, M., Choukroun, D., Lee, S., Ibáñez,
M., … Breugelmans, T. (2020). Ligand-mode directed selectivity in Cu-Ag core-shell
based gas diffusion electrodes for CO2 electroreduction. ACS Catalysis.
American Chemical Society. https://doi.org/10.1021/acscatal.0c03210
chicago: Irtem, Erdem, Daniel Arenas Esteban, Miguel Duarte, Daniel Choukroun, Seungho
Lee, Maria Ibáñez, Sara Bals, and Tom Breugelmans. “Ligand-Mode Directed Selectivity
in Cu-Ag Core-Shell Based Gas Diffusion Electrodes for CO2 Electroreduction.”
ACS Catalysis. American Chemical Society, 2020. https://doi.org/10.1021/acscatal.0c03210.
ieee: E. Irtem et al., “Ligand-mode directed selectivity in Cu-Ag core-shell
based gas diffusion electrodes for CO2 electroreduction,” ACS Catalysis,
vol. 10, no. 22. American Chemical Society, pp. 13468–13478, 2020.
ista: Irtem E, Arenas Esteban D, Duarte M, Choukroun D, Lee S, Ibáñez M, Bals S,
Breugelmans T. 2020. Ligand-mode directed selectivity in Cu-Ag core-shell based
gas diffusion electrodes for CO2 electroreduction. ACS Catalysis. 10(22), 13468–13478.
mla: Irtem, Erdem, et al. “Ligand-Mode Directed Selectivity in Cu-Ag Core-Shell
Based Gas Diffusion Electrodes for CO2 Electroreduction.” ACS Catalysis,
vol. 10, no. 22, American Chemical Society, 2020, pp. 13468–78, doi:10.1021/acscatal.0c03210.
short: E. Irtem, D. Arenas Esteban, M. Duarte, D. Choukroun, S. Lee, M. Ibáñez,
S. Bals, T. Breugelmans, ACS Catalysis 10 (2020) 13468–13478.
date_created: 2020-12-06T23:01:15Z
date_published: 2020-11-20T00:00:00Z
date_updated: 2026-04-03T09:31:02Z
day: '20'
department:
- _id: MaIb
doi: 10.1021/acscatal.0c03210
ec_funded: 1
external_id:
isi:
- '000592978900031'
intvolume: ' 10'
isi: 1
issue: '22'
language:
- iso: eng
main_file_link:
- open_access: '1'
url: https://repository.uantwerpen.be/docman/irua/190103/173803.pdf
month: '11'
oa: 1
oa_version: Submitted Version
page: 13468-13478
project:
- _id: 2564DBCA-B435-11E9-9278-68D0E5697425
call_identifier: H2020
grant_number: '665385'
name: International IST Doctoral Program
publication: ACS Catalysis
publication_identifier:
eissn:
- 2155-5435
publication_status: published
publisher: American Chemical Society
quality_controlled: '1'
scopus_import: '1'
status: public
title: Ligand-mode directed selectivity in Cu-Ag core-shell based gas diffusion electrodes
for CO2 electroreduction
type: journal_article
user_id: ba8df636-2132-11f1-aed0-ed93e2281fdd
volume: 10
year: '2020'
...