CsMBi3Te6 and CsM2Bi3Te7 (M=Pb, Sn):: New thermoelectric compounds with low-dimensional structures

被引：47

作者：

Hsu, KF

Chung, DY

Lai, S

Mrotzek, A

Kyratsi, T

Hogan, T

Kanatzidis, MG ^{[1
]}

机构：

[1] Michigan State Univ, Dept Chem, E Lansing, MI 48824 USA

[2] Michigan State Univ, Ctr Fundamental Mat Res, E Lansing, MI 48824 USA

[3] Michigan State Univ, Dept Elect & Comp Engn, E Lansing, MI 48824 USA

来源：

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY | 2002年 / 124卷 / 11期

关键词：

D O I：

10.1021/ja017602i

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

The new materials CsPbBi3Te6 nad CsPb2Bi3Te7 were discovered through reactions of CsBi4Te6 with PbTe, whereas the isostructural materials CsSnBi3Te6 and CsSn2Bi3Te7 were discovered through corresponding reactions with SnTe. The compounds can also be prepared from stoichiometric mixtures of Cs2Te, Pb (Sn), Bi, and Te. The crystal structures show a layered architecture of NaCl-type slabs alternating with layers of Cs atoms. This group of compounds offers a new quaternary system, Cs-M-Bi-Te (M = Pb and Sn), available for thermoelectric investigations, including fine-tuning of compositions and doping. Copyright © 2002 American Chemical Society.

引用

页码：2410 / 2411

页数：2

共 16 条

[1] VALENCE: A program for calculating bond valences [J].