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

Kuei Fang Hsu, Duck Young Chung, Sangeeta Lal, Antje Mrotzek, Theodora Kyratsi, Tim Hogan, Mercouri G Kanatzidis

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Abstract

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.

Original languageEnglish
Pages (from-to)2410-2411
Number of pages2
JournalJournal of the American Chemical Society
Volume124
Issue number11
DOIs
Publication statusPublished - Mar 20 2002

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Tuning
Crystal structure
Doping (additives)
Atoms
Chemical analysis

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CsMBi3Te6 and CsM2Bi3Te7 (M = Pb, Sn) : New thermoelectric compounds with low-dimensional structures. / Hsu, Kuei Fang; Chung, Duck Young; Lal, Sangeeta; Mrotzek, Antje; Kyratsi, Theodora; Hogan, Tim; Kanatzidis, Mercouri G.

In: Journal of the American Chemical Society, Vol. 124, No. 11, 20.03.2002, p. 2410-2411.

Research output: Contribution to journalArticle

Hsu, Kuei Fang ; Chung, Duck Young ; Lal, Sangeeta ; Mrotzek, Antje ; Kyratsi, Theodora ; Hogan, Tim ; Kanatzidis, Mercouri G. / CsMBi3Te6 and CsM2Bi3Te7 (M = Pb, Sn) : New thermoelectric compounds with low-dimensional structures. In: Journal of the American Chemical Society. 2002 ; Vol. 124, No. 11. pp. 2410-2411.
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