Preparation and characterization of [C6H5CH2NH3]2PbI4, [C6H5CH2CH2SC(NH2)2]3PbI5 and [C10H7CH2NH3]PbI3 organic-inorganic hybrid compounds

被引：0

作者：

Papavassiliou, GC

Mousdis, GA

Raptopoulou, CP

Terzis, A

机构：

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

[2] NCSR Demokritos, Inst Mat Sci, GR-15310 Athens, Greece

来源：

ZEITSCHRIFT FUR NATURFORSCHUNG SECTION B-A JOURNAL OF CHEMICAL SCIENCES | 1999年 / 54卷 / 11期

关键词：

organic-inorganic hybrides; perovskites; low-dimensional compounds; excitonic spectra;

D O I：

暂无

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

The preparation, crystal structures, optical absorption spectra, and photoluminescence spectra of the title compounds are reported. The compounds were prepared in single crystal form. [C6H5CH2NH3](2)PbI4 consists of anionic perovskite sheets of corner-sharing PbI6 octahedra, which alternate with the C6H5CH2NH3+ sheets. [C6H5CH2CH2SC(NH2)(2)](3)PbI5 consists Of zig-tag chains of anionic corner sharing PbI6 octahedra separated by C6H5CH2CH2SC(NH2)(2) cations, [C10H7CH2NH3]PbI3 consists of twin chains of edge-sharing PbI6 octahedra separated by C10H7CH2NH3 cations. The compounds are thus low-dimensional systems. The excitonic spectra were observed in all cases, even at room temperature, and the possibility of organic-inorganic excitonic interactions is discussed.

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页码：1405 / 1409

页数：5

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