High-quality bulk hybrid perovskite single crystals within minutes by inverse temperature crystallization
AuthorsSaidaminov, Makhsud I.
Abdelhady, Ahmed L.
Burlakov, Victor M.
Mohammed, Omar F.
KAUST DepartmentChemical Science Program
Functional Nanomaterials Lab (FuNL)
Imaging and Characterization Core Lab
KAUST Catalysis Center (KCC)
KAUST Solar Center (KSC)
Laboratory of Nano Oxides for Sustainable Energy
Material Science and Engineering Program
Physical Science and Engineering (PSE) Division
Ultrafast Laser Spectroscopy and Four-dimensional Electron Imaging Research Group
Online Publication Date2015-07-06
Print Publication Date2015-12
Permanent link to this recordhttp://hdl.handle.net/10754/559595
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AbstractSingle crystals of methylammonium lead trihalide perovskites (MAPbX3; MA=CH3NH3+, X=Br− or I−) have shown remarkably low trap density and charge transport properties; however, growth of such high-quality semiconductors is a time-consuming process. Here we present a rapid crystal growth process to obtain MAPbX3 single crystals, an order of magnitude faster than previous reports. The process is based on our observation of the substantial decrease of MAPbX3 solubility, in certain solvents, at elevated temperatures. The crystals can be both size- and shape-controlled by manipulating the different crystallization parameters. Despite the rapidity of the method, the grown crystals exhibit transport properties and trap densities comparable to the highest quality MAPbX3 reported to date. The phenomenon of inverse or retrograde solubility and its correlated inverse temperature crystallization strategy present a major step forward for advancing the field on perovskite crystallization.
CitationHigh-quality bulk hybrid perovskite single crystals within minutes by inverse temperature crystallization 2015, 6:7586 Nature Communications
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