Dual-function of CdCl2 treated SnO2 in Sb2Se3 solar cells
Dual-function of CdCl2 treated SnO2 in Sb2Se3 solar cells
复制标题
CdCl2 处理的 SnO2 在 Sb2Se3 太阳能电池中的双重功能
DOI:
10.1016/j.apsusc.2020.147632
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发表时间:
2020-08
影响因子:
6.7
通讯作者:
Ziyang Hu
中科院分区:
文献类型:
--
作者:
Jing Zhou;Xintong Zhang;Hanbo Chen;Zheqing Tang;Dan Meng;Kailin Chi;Yongmao Cai;Gengxin Song;Yu Cao;Ziyang Hu
The electron transport layer (ETL) of Sb2Se3thin film solar cells is not only responsible for electron extraction and transport but also manipulates the orientation of the Sb2Se3photoactive layer’s growth, which is crucial for performance optimization. In this study, the dual functionality of solution-processed SnO2film treated with CdCl2was achieved as the ETL in Sb2Se3solar cells. The CdCl2treatment simultaneously improves the efficacy of the SnO2ETL and induces the longitudinal growth of Sb2Se3grains. These two aspects effectively enhance electron transport and/or extraction, thereby reducing the charge recombination, which contributes to the improvement of all device parameters. The results demonstrate that CdCl2treatment optimizes the interface properties of the SnO2ETL, providing a facile and effective method for enhancing the performance of the Sb2Se3solar cell.
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