Ultraviolet-Assisted Perovskite Crystallization for High-Performance Solar Cells

被引：3
作者：
Cao, Xiaofei [1 ,2 ]
Luan, Yigang [1 ,2 ]
Zhuang, Jing [1 ,2 ]
Niu, Guosheng [1 ,2 ]
Cao, Shaokui [3 ]
Wang, Jizheng [1 ,2 ]
机构：
[1] Chinese Acad Sci, Inst Chem, CAS Key Lab Organ Solids, Beijing Natl Lab Mol Sci, Beijing 100190, Peoples R China
[2] Univ Chinese Acad Sci, Beijing 100049, Peoples R China
[3] Zhengzhou Univ, Sch Mat Sci & Engn, Zhengzhou 450001, Peoples R China
来源：
SOLAR RRL | 2022年 / 6卷 / 10期
关键词：
carrier lifetime; crystallization; defect passivation; perovskite; UV treatment; LEAD IODIDE PEROVSKITES; HALIDE PEROVSKITES; HIGH-EFFICIENCY; STABILITY; PASSIVATION; FILMS;
D O I：
10.1002/solr.202200591
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
Highly crystalized perovskite film with smooth surface is of great importance to obtain high photovoltaic performances. Herein, UV irradiation is applied to the perovskite films during their thermal annealing process. It is revealed that UV irradiation treatment can largely improve perovskite crystallization and reduce defects. This greatly improves power conversion efficiency (PCE) and environmental stability of the resulted solar cells (ITO/SnO2/perovskite/Spiro-OMeTAD/Au). By combining CH3O-PEAI surface passivation, an outstanding PCE of 23.24% is achieved.
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页数：8
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