Direct probing Se spatial distribution in Cu(InxGa1−x)Se2 solar cells: A key factor to achieve high efficiency performance
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- 作者：Tzu-Ying LinAuthor Vitae ; Chia-Hsiang ChenAuthor Vitae ; Wei-Chih HuangAuthor Vitae ; Wei-Hao HoAuthor Vitae ; Yan-Huie WuAuthor Vitae ; Chih-Huang Lai ; chlai@mx.nthu.edu.tw" class="auth_mail" title="E-mail the corresponding authorAuthor Vitae
- 关键词：Cu(InxGa1&minus ; x)Se2 ; Se distribution ; Elemental mapping ; FE-EPMA ; Efficiency
- 刊名：Nano Energy
- 出版年：2016
- 出版时间：January 2016
- 年：2016
- 卷：19
- 期：Complete
- 页码：269-278
- 全文大小：12437 K
文摘
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We demonstrate a promising composition mapping, FE-EPMA.
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The Se distribution within the depletion region of CIGS absorber is investigated.
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The Se distribution is correlated with defect formation and grain boundary property.
•Uniform Se distribution suppresses the defect formation, resulting in efficiency boost of 70%.