Synthesis and characterization of new organic-inorganic hybrid compounds based on Sb, with a perovskite like structure

被引：9

作者：

Anyfantis, George C. ^{[1
]}

Ganotopoulos, Nikolaos-Minas ^{[1
]}

Savvidou, Aikaterini ^{[2
]}

Raptopoulou, Catherine P. ^{[2
]}

Psycharis, Vassilis ^{[2
]}

Mousdis, George A. ^{[1
]}

机构：

[1] Natl Hellen Res Fdn, Theoret & Phys Chem Inst, 48 Vass Constantinou Aven, GR-11635 Athens, Greece

[2] Inst Nanosci & Nanotechnol NCSR, Aghia Paraskevi 15310, Attikis, Greece

来源：

POLYHEDRON | 2018年 / 151卷

关键词：

Low-dimensional; Organic-inorganic hybrid compounds; Antimony-based materials; Crystal structure; Optical properties; OPTOELECTRONIC PROPERTIES; PHASE-TRANSITION; EFFICIENT; LIGHT; MANAGEMENT;

D O I：

10.1016/j.poly.2018.05.024

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

Two new perovskite-related organic-inorganic hybrid compounds, based on Sb were synthesized and characterized. Their structure, optical and vibronic properties were studied. The benzylamine antimonium iodide (C6H5CH2NH3)(3)Sb2I6 has a 0 dimensional structure consisting of two face sharing octahedrals surrounded by the organic cations. The benzylamine antimonium bromide (C6H5CH2NH3)(2)SbBr5 consisting of SbBr5-2 anions forming columns of corner sharing octahedrals and the benzylammonium cations were located in the free cavities between the one-dimensional zigzag chains. Both of them show strong absorption at the UV region and furthermore that with I absorbs also at a significant part of the Visible spectra. Their band gaps were calculated from their absorption spectra at 2.87 eV for the Br-based and at 2.42 eV for the 1-based. (C) 2018 Elsevier Ltd. All rights reserved.

引用

页码：299 / 305

页数：7

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