Cs‐treatments in Kesterite Thin‐Film Solar Cells for Efficient Perovskite Tandems (Small 16/2024)

Thin‐Film Solar Cells A facile CsF treatment enhances CZTSSe grain growth and phase homogeneity, resulting in effective charge transport and a favorable P‐N junction. This leads to a significant performance enhancement in CZTSSe thin‐film solar cells, increasing efficiency from 8.38% to 10.20%. The...

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Published in:Small (Weinheim an der Bergstrasse, Germany) Germany), 2024-04, Vol.20 (16), p.n/a
Main Authors: Hwang, Sun Kyung, Park, So Jeong, Park, Jae Hyun, Yoon, Joo Ho, Yu Cho, Jae, Cho, Deok Ki, Heo, Jaeyeong, Kim, Gee Yeong, Kim, Jin Young
Format: Article
Language:English
Subjects:
4‐terminal tandem
Cesium fluorides
Charge transport
CsF treatments
Cu2ZnSn(S,Se)4 solar cells
electrodeposition
Grain growth
Homogeneity
Perovskites
Photovoltaic cells
Solar cells
Thin films
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Summary:Thin‐Film Solar Cells A facile CsF treatment enhances CZTSSe grain growth and phase homogeneity, resulting in effective charge transport and a favorable P‐N junction. This leads to a significant performance enhancement in CZTSSe thin‐film solar cells, increasing efficiency from 8.38% to 10.20%. The CsF‐treated CZTSSe bottom cell is integrated into a mechanically‐stacked perovskite/CZTSSe 4T tandem solar cell, achieving the highest reported tandem efficiency of 23.01%. More in article number 2307175, Jaeyeong Heo, Gee Yeong Kim, Jin Young Kim, and co‐workers.
ISSN:1613-6810
1613-6829
DOI:10.1002/smll.202470123