Highly Efficient Ge-Rich GexPb1−xTe Thermoelectric Alloys

被引：0
|
作者：
Yaniv Gelbstein
Boaz Dado
Ohad Ben-Yehuda
Yatir Sadia
Zinovy Dashevsky
Moshe P. Dariel
机构：
[1] Ben-Gurion University of the Negev,Department of Materials Engineering
来源：
Journal of Electronic Materials | 2010年 / 39卷
关键词：
Thermoelectrics; PbTe; GeTe; SPS;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
The search for alternative energy sources is presently at the forefront of applied research. In this context, thermoelectricity for direct energy conversion from thermal to electrical energy plays an important role. This paper is concerned with the development of highly efficient p-type GexPb1−xTe alloys for thermoelectric applications, using spark plasma sintering. The carrier concentration of GeTe was varied by alloying of PbTe and/or by Bi2Te3 doping. Very high ZT values up to ~1.8 at 500°C were obtained by doping Pb0.13Ge0.87Te with 3 mol% Bi2Te3.
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页码：2049 / 2052
页数：3
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