High efficiency perovskite solar cells via NaCl modified tin oxide electron transport layer

被引：9
作者：
Gu, Liangxue [1 ,2 ]
Wang, Chuang [1 ]
Mo, Weijun [1 ]
Zeng, Haoran [1 ]
Shou, Chunhui [3 ]
Yang, Songwang [2 ,4 ]
Wen, Feng [1 ]
机构：
[1] Hainan Univ, Sch Mat Sci & Engn, Special Glass Key Lab Hainan Prov, Haikou 570228, Peoples R China
[2] Chinese Acad Sci, Shanghai Inst Ceram, CAS Key Lab Mat Energy Convers, 588 Heshuo Rd, Shanghai 201899, Peoples R China
[3] Zhejiang Energy Grp R&D, Key Lab Solar Energy Utilizat & Energy Saving Tech, Hangzhou 310003, Zhejiang, Peoples R China
[4] Univ Chinese Acad Sci, Ctr Mat Sci & Optoelect Engn, Beijing 100049, Peoples R China
来源：
ORGANIC ELECTRONICS | 2023年 / 113卷
关键词：
Perovskite solar cell; NaCl modified; SnO2; DOPED SNO2; PERFORMANCE; INTERFACE;
D O I：
10.1016/j.orgel.2022.106677
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The SnO2 electron transport layer (ETL) has been proved to play an important role on the charge extraction and recombination for high efficiency perovskite solar cells (PSCs). We fabricated added sodium chloride (NaCl) modification of SnO2 ETL with optimal concentration, and achieved a high photoelectric conversion efficiency (PCE) of 21.2% with nearly 20% improvement. It was demonstrated that the addition of NaCl effectively enhanced the charge transfer between the ETL and perovskite, suppressed the non-radiative recombination in the interface. Particularly, it exhibited markedly improved open-voltage and fill factor. This simple modified strategy provides a practical and fast method to improve the performance of high efficiency PSCs.
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页数：8
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