Open AccessStudy on the effect of chlorine on the growth of CH3NH3PbI3−xClx crystals
Author(s) -
Tingyu Song,
Lei Gao,
Qi Wei,
Luyang Yu,
Shiwei Wang,
Mingyao Zhang,
Lisha Zhao,
YanHua Cai
Publication year - 2020
Publication title -
materials research express
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.383
H-Index - 35
ISSN - 2053-1591
DOI - 10.1088/2053-1591/ab692a
Subject(s) - nucleation , perovskite (structure) , crystallization , chlorine , halide , crystal (programming language) , materials science , crystal growth , crystallography , grain boundary , inorganic chemistry , mineralogy , chemistry , microstructure , metallurgy , organic chemistry , computer science , programming language
Organic-inorganic hybrid halide perovskites have attracted great interest for scientists and entrepreneurs due to their intrinsic properties and considerable business prospects in recent years. Perovskite single crystal can determine its properties well because of no grain boundaries for itself, so it is necessary to study the nucleation and growth process of perovskite crystals. In this work, CH 3 NH 3 PbI 3−x Cl x single crystals with about 10 mm sized are prepared. It’s found that chlorine can restrict the nucleation and slow crystallization during the perovskite grown process. Moreover, the number of perovskite crystals can be controlled by tuning the content of chlorine in the precursor solutions, because chlorine can restrict the perovskite crystal nucleation as an inhibitor.