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Efficiency Limitation On High Efficiency Cu2Znsn(S,Se)4 Solar Cell

Title
Efficiency Limitation On High Efficiency Cu2Znsn(S,Se)4 Solar Cell
Authors
Kim, SeongYeonRana, Tanka R.Kim, JunHoSon, Dae-HoYang, Kee-JeongKang, Jin-KyuKim, Dae-Hwan
DGIST Authors
Yang, Kee-JeongKang, Jin-KyuKim, Dae-Hwan
Issue Date
2018-06-13
Citation
7th IEEE World Conference on Photovoltaic Energy Conversion, WCPEC 2018, 1909-1913
Type
Conference
ISBN
9781538685297
Abstract
We studied limitation factors of high efficiency Cu2ZnSn(S,Se)4 (CZTSSe) solar cells. Depending on the S/(S}+Se) ratio of absorber layer, different limitation factors are observed. The Se-rich CZTSSe solar cells exhibited larger conduction band offset (CBO) between the absorber and the buffer, whereas Sincreased solar cells showed deep defects in the absorber. The larger CBO in Se-rich CZTSSe solar cell and deep defects in Sincreased CZTSSe solar cell are observed even in ∼12 % efficiency solar cells. Thus, to obtain efficiency more than 12% in kesterite solar cell, these possible limitation factors should be resolved. © 2018 IEEE.
URI
http://hdl.handle.net/20.500.11750/9558
DOI
10.1109/PVSC.2018.8547446
Publisher
Institute of Electrical and Electronics Engineers Inc.
Related Researcher
Files:
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Collection:
Convergence Research Center for Solar Energy2. Conference Papers


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