Thermoelectric Properties of Composite PbTe - PbSnS2 Materials

被引：0
|
作者：
Girard, Steven N. [1 ]
He, Jiaqing [2 ]
Dravid, Vinayak P. [2 ]
Kanatzidis, Mercouri G. [1 ]
机构：
[1] Northwestern Univ, Dept Chem, 2145 Sheridan Rd, Evanston, IL 60208 USA
[2] Northwestern Univ, Dept Mat Sci & Engn, Evanston, IL 60208 USA
来源：
THERMOELECTRIC MATERIALS 2010 - GROWTH, PROPERTIES, NOVEL CHARACTERIZATION METHODS AND APPLICATIONS | 2010年 / 1267卷
关键词：
D O I：
10.1557/PROC-1267-DD06-09
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The thermoelectric (Pb1-mSnmTe)(1-x)(PbS)(x) where m = 0.05 and x = 0.08 has been shown to produce PbS nanostructures that effectively scatter phonons, enhancing ZT. As Sn substitution is increased, a new phase of PbSnS2 precipitates. We find that incorporation of PbSnS2 in PbTe results in a significant reduction in lattice thermal conductivity around 0.6 W/mK at room temperature. We present preliminary characterization and thermoelectric properties.
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页数：6
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