Structural and Spectral Characteristics of Mechanochemically Prepared CsPbBr3

被引：25

作者：

Posudievsky, O. Yu. ^{[1
]}

Konoshchuk, N. V. ^{[1
]}

Karbivskyy, V. L. ^{[2
]}

Boiko, O. P. ^{[3
]}

Koshechko, V. G. ^{[1
]}

Pukhodenko, V. D. ^{[1
]}

机构：

[1] Natl Acad Sci Ukraine, LV Pysarzhevsky Inst Phys Chem, Prospekt Nauky 31, UA-03028 Kiev, Ukraine

[2] Natl Acad Sci Ukraine, GV Kurdyumov Inst Met Phys, Bulvar Akad Vernadskoho 36, UA-03142 Kiev, Ukraine

[3] Natl Acad Sci Ukraine, Inst Phys, Prospekt Nauky 46, UA-03028 Kiev, Ukraine

来源：

THEORETICAL AND EXPERIMENTAL CHEMISTRY | 2017年 / 53卷 / 04期

关键词：

inorganic halid perovskite; structural and spectral characteristics; mechanochemical synthesis; CESIUM LEAD HALIDE; LIGHT-EMITTING-DIODES; PEROVSKITE QUANTUM DOTS; FREE LIQUID EXFOLIATION; GRAPHENE-LIKE STATE; HYBRID SOLAR-CELLS; SOLVENT-FREE; OPTICAL-PROPERTIES; PHASE-TRANSITIONS; HIGH-QUALITY;

D O I：

10.1007/s11237-017-9520-z

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Mechanochemical treatment of an equimolar mixture of lead and cesium bromides in the absence of solvent gave inorganic halide perovskite CsPbBr3 with characteristic orthorhombic structure consisting of individual nanoparticles with diameter 10-50 nm and nanoparticle agglomerates with diameter up to 200 nm. An effect of dimethylformamide on the structural and spectral properties of the prepared perovskite was discovered. X-ray diffraction data indicated that mechanochemical synthesis contributes to nanostructuring of CsPbBr3 as nanosheets. Nonstationary photoluminescence data indicated that the prepared material has a small amount of defects.

引用

页码：235 / 243

页数：9

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