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Kesterite Solar Cells: Insights into Current Strategies and Challenges

Earth‐abundant and environmentally benign kesterite Cu(2)ZnSn(S,Se)(4) (CZTSSe) is a promising alternative to its cousin chalcopyrite Cu(In,Ga)(S,Se)(2) (CIGS) for photovoltaic applications. However, the power conversion efficiency of CZTSSe solar cells has been stagnant at 12.6% for years, still fa...

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Autores principales: He, Mingrui, Yan, Chang, Li, Jianjun, Suryawanshi, Mahesh P., Kim, Jinhyeok, Green, Martin A., Hao, Xiaojing
Formato: Online Artículo Texto
Lenguaje:English
Publicado: John Wiley and Sons Inc. 2021
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8097387/
https://www.ncbi.nlm.nih.gov/pubmed/33977066
http://dx.doi.org/10.1002/advs.202004313
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author He, Mingrui
Yan, Chang
Li, Jianjun
Suryawanshi, Mahesh P.
Kim, Jinhyeok
Green, Martin A.
Hao, Xiaojing
author_facet He, Mingrui
Yan, Chang
Li, Jianjun
Suryawanshi, Mahesh P.
Kim, Jinhyeok
Green, Martin A.
Hao, Xiaojing
author_sort He, Mingrui
collection PubMed
description Earth‐abundant and environmentally benign kesterite Cu(2)ZnSn(S,Se)(4) (CZTSSe) is a promising alternative to its cousin chalcopyrite Cu(In,Ga)(S,Se)(2) (CIGS) for photovoltaic applications. However, the power conversion efficiency of CZTSSe solar cells has been stagnant at 12.6% for years, still far lower than that of CIGS (23.35%). In this report, insights into the latest cutting‐edge strategies for further advance in the performance of kesterite solar cells is provided, particularly focusing on the postdeposition thermal treatment (for bare absorber, heterojunction, and completed device), alkali doping, and bandgap grading by engineering graded cation and/or anion alloying. These strategies, which have led to the step‐change improvements in the power conversion efficiency of the counterpart CIGS solar cells, are also the most promising ones to achieve further efficiency breakthroughs for kesterite solar cells. Herein, the recent advances in kesterite solar cells along these pathways are reviewed, and more importantly, a comprehensive understanding of the underlying mechanisms is provided, and promising directions for the ongoing development of kesterite solar cells are proposed.
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spelling pubmed-80973872021-05-10 Kesterite Solar Cells: Insights into Current Strategies and Challenges He, Mingrui Yan, Chang Li, Jianjun Suryawanshi, Mahesh P. Kim, Jinhyeok Green, Martin A. Hao, Xiaojing Adv Sci (Weinh) Progress Report Earth‐abundant and environmentally benign kesterite Cu(2)ZnSn(S,Se)(4) (CZTSSe) is a promising alternative to its cousin chalcopyrite Cu(In,Ga)(S,Se)(2) (CIGS) for photovoltaic applications. However, the power conversion efficiency of CZTSSe solar cells has been stagnant at 12.6% for years, still far lower than that of CIGS (23.35%). In this report, insights into the latest cutting‐edge strategies for further advance in the performance of kesterite solar cells is provided, particularly focusing on the postdeposition thermal treatment (for bare absorber, heterojunction, and completed device), alkali doping, and bandgap grading by engineering graded cation and/or anion alloying. These strategies, which have led to the step‐change improvements in the power conversion efficiency of the counterpart CIGS solar cells, are also the most promising ones to achieve further efficiency breakthroughs for kesterite solar cells. Herein, the recent advances in kesterite solar cells along these pathways are reviewed, and more importantly, a comprehensive understanding of the underlying mechanisms is provided, and promising directions for the ongoing development of kesterite solar cells are proposed. John Wiley and Sons Inc. 2021-03-03 /pmc/articles/PMC8097387/ /pubmed/33977066 http://dx.doi.org/10.1002/advs.202004313 Text en © 2021 The Authors. Advanced Science published by Wiley‐VCH GmbH https://creativecommons.org/licenses/by/4.0/This is an open access article under the terms of the http://creativecommons.org/licenses/by/4.0/ (https://creativecommons.org/licenses/by/4.0/) License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited.
spellingShingle Progress Report
He, Mingrui
Yan, Chang
Li, Jianjun
Suryawanshi, Mahesh P.
Kim, Jinhyeok
Green, Martin A.
Hao, Xiaojing
Kesterite Solar Cells: Insights into Current Strategies and Challenges
title Kesterite Solar Cells: Insights into Current Strategies and Challenges
title_full Kesterite Solar Cells: Insights into Current Strategies and Challenges
title_fullStr Kesterite Solar Cells: Insights into Current Strategies and Challenges
title_full_unstemmed Kesterite Solar Cells: Insights into Current Strategies and Challenges
title_short Kesterite Solar Cells: Insights into Current Strategies and Challenges
title_sort kesterite solar cells: insights into current strategies and challenges
topic Progress Report
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8097387/
https://www.ncbi.nlm.nih.gov/pubmed/33977066
http://dx.doi.org/10.1002/advs.202004313
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