Efficient and reproducible CH3NH3PbI3-x(SCN)x perovskite based planar solar cells

被引:154
|
作者
Chen, Yani [1 ]
Li, Bobo [2 ,3 ]
Huang, Wei [2 ,3 ]
Gao, Deqing [2 ,3 ]
Liang, Ziqi [1 ]
机构
[1] Fudan Univ, Dept Mat Sci, Shanghai 200433, Peoples R China
[2] Nanjing Tech Univ NanjingTech, Jiangsu Natl Synergist Innovat Ctr Adv Mat SICAM, Key Lab Flexible Elect KLOFE, Nanjing 211816, Jiangsu, Peoples R China
[3] Nanjing Tech Univ NanjingTech, Jiangsu Natl Synergist Innovat Ctr Adv Mat SICAM, Inst Adv Mat, Nanjing 211816, Jiangsu, Peoples R China
基金
中国国家自然科学基金;
关键词
PERFORMANCE; PASSIVATION; HYSTERESIS; ABSORPTION; MORPHOLOGY; ABSORBER; FILMS;
D O I
10.1039/c5cc03615a
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
We report the addition of a small amount of Pb(SCN)(2) into PbI2 in a two-step solution method. The resulting CH3NH3PbI3-x(SCN)(x) perovskite films present larger-sized crystals and fewer traps than CH3NH3PbI3. Their planar solar cells exhibit a maximum power conversion efficiency of 11.07% with remarkably high reproducibility and good stability.
引用
收藏
页码:11997 / 11999
页数:3
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