Nonvolatile chlorinated additives adversely influence CH3NH3PbI3 based planar solar cells

被引：34
作者：
Chen, Yani [1 ]
Zhao, Yixin [2 ]
Liang, Ziqi [1 ]
机构：
[1] Fudan Univ, Dept Mat Sci, Shanghai 200433, Peoples R China
[2] Shanghai Jiao Tong Univ, Coll Environm Sci & Engn, Shanghai 200240, Peoples R China
来源：
JOURNAL OF MATERIALS CHEMISTRY A | 2015年 / 3卷 / 17期
基金：
中国国家自然科学基金;
关键词：
ORGANOMETAL HALIDE PEROVSKITES; EFFICIENT; TRIHALIDE; ABSORBER; CRYSTALLIZATION; DIFFUSION; TRANSPORT; CHLORIDE; LENGTHS; GROWTH;
D O I：
10.1039/c5ta01198a
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
We demonstrate that nonvolatile CaCl2 additives can significantly improve the film morphology of CH3NH3PbI3. Unlike those volatile chlorinated additives, a small portion of Cl anions from CaCl2 seem to enter into the CH3NH3PbI3 crystal, yet most insulating CaCl2 remains within the perovskite film, which is detrimental to perovskite solar cells.
引用
收藏
页码：9137 / 9140
页数：4
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