CH3NH3PbI3 from non-iodide lead salts for perovskite solar cells via the formation of PbI2

被引：28

作者：

Balaji, Ganapathy ^{[1
]}

Joshi, Pranav H. ^{[2
]}

Abbas, Hisham A. ^{[2
]}

Zhang, Liang ^{[2
]}

Kottokkaran, Ranjith ^{[1
]}

Samiee, Mehran ^{[2
]}

Noack, Max ^{[1
]}

Dalal, Vikram L. ^{[1
]}

机构：

[1] Iowa State Univ, Microelect Res Ctr, Ames, IA 50011 USA

[2] Iowa State Univ, Dept Elect & Comp Engn, Ames, IA USA

来源：

PHYSICAL CHEMISTRY CHEMICAL PHYSICS | 2015年 / 17卷 / 16期

基金：

美国国家科学基金会;

关键词：

HALIDE PEROVSKITES; CHLORIDE; PERFORMANCE; EMERGENCE; EVOLUTION; LIGHT; FILMS;

D O I：

10.1039/c5cp00073d

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 report the formation of CH3NH3PbI3 from more soluble, non-iodide lead salts like Pb(SCN)(2) and Pb(NO3)(2). When exposed to CH3NH3I vapours, the colourless lead salts turned yellow before the formation of the black perovskite. Investigation of this yellow intermediate suggests that anion exchange (converting lead salts to PbI2) precedes the perovskite formation. PCEs of 7.6% and 8.4% were achieved for the devices formed from Pb(SCN)(2) and Pb(NO3)(2), respectively.

引用

页码：10369 / 10372

页数：4

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