Sprayed Cu2ZnSn(S,Se)4 Solar Cells with Controlled S/(S plus Se) Ratio

被引：1

作者：

Choo, Chanho ^{[1
]}

Lim, Dain ^{[1
]}

Kim, Sunwoong ^{[1
]}

Yoo, Hyesun ^{[1
]}

Kim, Seongyeon ^{[1
]}

Kim, Junho ^{[1
]}

机构：

[1] Incheon Natl Univ, Dept Phys, Incheon 22012, South Korea

来源：

JOURNAL OF NANOELECTRONICS AND OPTOELECTRONICS | 2018年 / 13卷 / 11期

基金：

新加坡国家研究基金会;

关键词：

CZTSSe; Solution Process; Spray Pyrolysis; Solar Cell; Band Gap Tuning; FABRICATION; CIGS;

D O I：

10.1166/jno.2018.2401

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

We fabricated Cu2ZnSn(S,Se)(4) absorber layers with different S/(S+ Se) ratios using spray pyrolysis and post sulfo-selenization. We found that the band gap was controlled by varying the S/(S + Se) ratio during the sulfo-selenization process. This was confirmed by Raman and UV-Vis spectroscopy. We fabricated solar cells and characterized their properties. The best cell efficiency was 3.62% when S/(S+ Se) = 0.46. The external quantum efficiency result also showed that the CZTSSe absorber was well-grown with a designed optical band gap.

引用

页码：1725 / 1728

页数：4

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