Solution growth and morphology of CH3NH3PbBr3 single crystals in different solvents

被引：17

作者：

Su, Jing ^{[1
]}

Sang, Lin ^{[1
]}

Wang, Di ^{[2
,3
,4
]}

Lu, Di ^{[1
]}

Wang, Wanfu ^{[1
]}

Wen, Yan ^{[1
]}

机构：

[1] Nanjing Univ Informat Sci & Technol, Sch Phys & Optoelect Engn, Nanjing 210044, Jiangsu, Peoples R China

[2] Nanjing Univ, Natl Lab Solid State Microstruct, Nanjing 210093, Jiangsu, Peoples R China

[3] Nanjing Univ, Dept Phys, Nanjing 210093, Jiangsu, Peoples R China

[4] Nanjing Univ, Collaborat Innovat Ctr Adv Microstruct, Nanjing 210093, Jiangsu, Peoples R China

来源：

CRYSTAL RESEARCH AND TECHNOLOGY | 2016年 / 51卷 / 11期

基金：

中国国家自然科学基金;

关键词：

CH3NH3PbBr3; solution crystal growth; solubility; morphology; solar cell; ORGANOMETAL HALIDE PEROVSKITES; SENSITIZED SOLAR-CELLS; LEAD HALIDES; I CRYSTALS; DIFFUSION; BR; DEPOSITION;

D O I：

10.1002/crat.201600193

中图分类号：

O7 [晶体学];

学科分类号：

0702 ; 070205 ; 0703 ; 080501 ;

摘要：

In this work, large-sized CH3NH3PbBr3 single crystals were successful grown using solution evaporation method with hydrohalic acid and N, N-Dimethylformamide (DMF) as solvent respectively. The lattice parameters of cubic CH3NH3PbBr3 were estimated using XRD method. The solubility of CH3NH3PbBr3 in hydrobromic acid was determined at the temperature range between 20 degrees C-90 degrees C. A special micro-solution crystallizer was designed to in-situ study the morphology of CH3NH3PbBr3 crystal. The largest crystal face was indexed by the XRD patterns and it would be {110} for CH3NH3PbBr3 grown from HBr solution and {100} from DMF solution. The results show that solvent would affect the morphology and crystal habit greatly during crystal growth from solution.

引用

页码：650 / 655

页数：6

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