Passivation by pyridine-induced PbI2in methylammonium lead iodide perovskites

被引：7
作者：
Cook, Andre [1 ,2 ]
Jones, Timothy W. [2 ]
Wang, Jacob Tse-Wei [2 ]
Li, Hua [3 ]
Atkin, Rob [3 ]
Duffy, Noel W. [4 ]
Donne, Scott W. [1 ]
Wilson, Gregory J. [2 ]
机构：
[1] Univ Newcastle, Callaghan, NSW 2308, Australia
[2] CSIRO, Energy Ctr, Mayfield West, NSW 2304, Australia
[3] Univ Western Australia, Sch Mol Sci, Nedlands, WA 6009, Australia
[4] CSIRO, Energy Clayton Labs, Clayton, Vic 3169, Australia
来源：
RSC ADVANCES | 2020年 / 10卷 / 40期
关键词：
SOLAR-CELLS; HALIDE PEROVSKITES; PERFORMANCE; CH3NH3PBI3; SURFACE; PHOTOLUMINESCENCE; RECOMBINATION; MOBILITIES; IMPACT; LIGHT;
D O I：
10.1039/d0ra04641h
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Defects at discontinuities of the perovskite lattice limit the performance of the perovskite solar cell (PSC). Lead iodide (PbI2) and pyridine have been shown to passivate these defects. We treat methylammonium lead iodide (MAPbI(3)) films with pyridine solutions to investigate the effects of the two passivators. By comparing confocal fluorescence microscopy (CFM) images at 405 nm excitation and then at 559 nm excitation we demonstrate the pyridine treatment passivates and forms PbI(2)crystallites which cause additional passivation.
引用
收藏
页码：23829 / 23833
页数：5
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