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Issue 2, 2002
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Optimization of the thermopower of the antimonide Mo3Sb7 by a partial Sb/Te substitution

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Abstract

The binary antimonide Mo3Sb7 is metallic with poor thermoelectric properties. Since band structure calculations indicated a possible change to semiconducting behavior by adding two more valence-electrons, the substitutional series Mo3Sb7 − δTeδ has been investigated. Te atoms can replace up to 2.3 Sb atoms in Mo3Sb7 without noticeable structural changes. This substitution leads to a dramatic enhancement in the thermopower, indicating that in fact semiconducting properties have been achieved with the synthesis of Mo3Sb5Te2.

Graphical abstract: Optimization of the thermopower of the antimonide Mo3Sb7 by a partial Sb/Te substitution

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Publication details

The article was received on 16 Aug 2001, accepted on 05 Nov 2001 and first published on 03 Jan 2002


Article type: Paper
DOI: 10.1039/B107468G
Citation: J. Mater. Chem., 2002,12, 345-349
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    Optimization of the thermopower of the antimonide Mo3Sb7 by a partial Sb/Te substitution

    E. Dashjav, A. Szczepenowska and H. Kleinke, J. Mater. Chem., 2002, 12, 345
    DOI: 10.1039/B107468G

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