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Controlling Selenization Equilibrium Enables High-Quality Kesterite Absorbers for Efficient Solar Cells

Kesterite Cu(2)ZnSn(S, Se)(4) is considered one of the most competitive photovoltaic materials due to its earth-abundant and nontoxic constituent elements, environmental friendliness, and high stability. However, the preparation of high-quality Kesterite absorbers for photovoltaics is still challeng...

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Autores principales: Xu, Xiao, Zhou, Jiazheng, Yin, Kang, Wang, Jinlin, Lou, Licheng, Jiao, Menghan, Zhang, Bowen, Li, Dongmei, Shi, Jiangjian, Wu, Huijue, Luo, Yanhong, Meng, Qingbo
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Nature Publishing Group UK 2023
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10589234/
https://www.ncbi.nlm.nih.gov/pubmed/37863920
http://dx.doi.org/10.1038/s41467-023-42460-7
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author Xu, Xiao
Zhou, Jiazheng
Yin, Kang
Wang, Jinlin
Lou, Licheng
Jiao, Menghan
Zhang, Bowen
Li, Dongmei
Shi, Jiangjian
Wu, Huijue
Luo, Yanhong
Meng, Qingbo
author_facet Xu, Xiao
Zhou, Jiazheng
Yin, Kang
Wang, Jinlin
Lou, Licheng
Jiao, Menghan
Zhang, Bowen
Li, Dongmei
Shi, Jiangjian
Wu, Huijue
Luo, Yanhong
Meng, Qingbo
author_sort Xu, Xiao
collection PubMed
description Kesterite Cu(2)ZnSn(S, Se)(4) is considered one of the most competitive photovoltaic materials due to its earth-abundant and nontoxic constituent elements, environmental friendliness, and high stability. However, the preparation of high-quality Kesterite absorbers for photovoltaics is still challenging for the uncontrollability and complexity of selenization reactions between metal element precursors and selenium. In this study, we propose a solid-liquid/solid-gas (solid precursor and liquid/vapor Se) synergistic reaction strategy to precisely control the selenization process. By pre-depositing excess liquid selenium, we provide the high chemical potential of selenium to facilitate the direct and rapid formation of the Kesterite phase. The further optimization of selenium condensation and subsequent volatilization enables the efficient removal of organic compounds and thus improves charge transport in the absorber film. As a result, we achieve high-performance Kesterite solar cells with total-area efficiency of 13.6% (certified at 13.44%) and 1.09 cm(2)-area efficiency of 12.0% (certified at 12.1%).
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spelling pubmed-105892342023-10-22 Controlling Selenization Equilibrium Enables High-Quality Kesterite Absorbers for Efficient Solar Cells Xu, Xiao Zhou, Jiazheng Yin, Kang Wang, Jinlin Lou, Licheng Jiao, Menghan Zhang, Bowen Li, Dongmei Shi, Jiangjian Wu, Huijue Luo, Yanhong Meng, Qingbo Nat Commun Article Kesterite Cu(2)ZnSn(S, Se)(4) is considered one of the most competitive photovoltaic materials due to its earth-abundant and nontoxic constituent elements, environmental friendliness, and high stability. However, the preparation of high-quality Kesterite absorbers for photovoltaics is still challenging for the uncontrollability and complexity of selenization reactions between metal element precursors and selenium. In this study, we propose a solid-liquid/solid-gas (solid precursor and liquid/vapor Se) synergistic reaction strategy to precisely control the selenization process. By pre-depositing excess liquid selenium, we provide the high chemical potential of selenium to facilitate the direct and rapid formation of the Kesterite phase. The further optimization of selenium condensation and subsequent volatilization enables the efficient removal of organic compounds and thus improves charge transport in the absorber film. As a result, we achieve high-performance Kesterite solar cells with total-area efficiency of 13.6% (certified at 13.44%) and 1.09 cm(2)-area efficiency of 12.0% (certified at 12.1%). Nature Publishing Group UK 2023-10-20 /pmc/articles/PMC10589234/ /pubmed/37863920 http://dx.doi.org/10.1038/s41467-023-42460-7 Text en © The Author(s) 2023 https://creativecommons.org/licenses/by/4.0/Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this licence, visit http://creativecommons.org/licenses/by/4.0/ (https://creativecommons.org/licenses/by/4.0/) .
spellingShingle Article
Xu, Xiao
Zhou, Jiazheng
Yin, Kang
Wang, Jinlin
Lou, Licheng
Jiao, Menghan
Zhang, Bowen
Li, Dongmei
Shi, Jiangjian
Wu, Huijue
Luo, Yanhong
Meng, Qingbo
Controlling Selenization Equilibrium Enables High-Quality Kesterite Absorbers for Efficient Solar Cells
title Controlling Selenization Equilibrium Enables High-Quality Kesterite Absorbers for Efficient Solar Cells
title_full Controlling Selenization Equilibrium Enables High-Quality Kesterite Absorbers for Efficient Solar Cells
title_fullStr Controlling Selenization Equilibrium Enables High-Quality Kesterite Absorbers for Efficient Solar Cells
title_full_unstemmed Controlling Selenization Equilibrium Enables High-Quality Kesterite Absorbers for Efficient Solar Cells
title_short Controlling Selenization Equilibrium Enables High-Quality Kesterite Absorbers for Efficient Solar Cells
title_sort controlling selenization equilibrium enables high-quality kesterite absorbers for efficient solar cells
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10589234/
https://www.ncbi.nlm.nih.gov/pubmed/37863920
http://dx.doi.org/10.1038/s41467-023-42460-7
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