Indium Doping of Lead-Free Perovskite Cs2SnI6

被引：17

作者：

Umedov, Shodruz T. ^{[1
]}

Grigorieva, Anastasia, V ^{[1
,2
]}

Lepnev, Leonid S. ^{[3
]}

Knotko, Alexander, V ^{[1
,2
]}

Nakabayashi, Koji ^{[4
]}

Ohkoshi, Shin-ichi ^{[4
]}

Shevelkov, Andrei, V ^{[2
]}

机构：

[1] Lomonosov Moscow State Univ, Dept Mat Sci, Moscow, Russia

[2] Lomonosov Moscow State Univ, Dept Chem, Moscow, Russia

[3] Russian Acad Sci, Lebedev Phys Inst, Moscow, Russia

[4] Univ Tokyo, Sch Sci, Dept Chem, Tokyo, Japan

来源：

FRONTIERS IN CHEMISTRY | 2020年 / 8卷

基金：

俄罗斯基础研究基金会;

关键词：

perovskite photovoltaics; cesium iodostannate(IV); solid solution; Raman spectroscopy; optical characteristics; HALIDE PEROVSKITES; SOLAR-CELLS; PHOTOVOLTAIC APPLICATIONS; DEFECT PEROVSKITE; THIN-FILMS; IODIDE; STABILITY; EFFICIENT; TIN;

D O I：

10.3389/fchem.2020.00564

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Structure and properties of an inorganic perovskite Cs(2)SnI(6)demonstrated its potential as a light-harvester or electron-hole transport material; however, its optoelectronic properties are poorer than those of lead-based perovskites. Here, we report the way of light tuning of absorption and transport properties of cesium iodostannate(IV) Cs(2)SnI(6)via partial heterovalent substitution of tin for indium. Light absorption and optical bandgaps of materials have been investigated by UV-vis absorption and photoluminescent spectroscopies. Low-temperature electron paramagnetic resonance spectroscopy was used to study the kind of paramagnetic centers in materials.

引用

页数：8

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