Doping Effects on the Thermoelectric Properties of AgSbTe2

被引：0
|
作者：
V. Jovovic
J. P. Heremans
机构：
[1] The Ohio State University,Department of Mechanical Engineering
[2] The Ohio State University,Department of Physics
来源：
Journal of Electronic Materials | 2009年 / 38卷
关键词：
Thermoelectric properties; figure of merit; ternary alloys; silver antimony telluride; doping;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
A doping study of ternary alloys AgSbTe2 doped with excess AgTe, NaTe, NaSe, TlTe, BiTe, and excess Pb showed that carrier concentrations can be effectively manipulated. Measured thermopower and resistivity indicate a shift of the power factor peak toward the lower-temperature regime. The measured figure of merit ZT increases from 0.5 to 1.2 after doping with NaSe, and 1.05 with TlTe, at 400 K. We also show that doping with Bi and Pb has a negative effect on the thermoelectric properties of these alloys.
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页码：1504 / 1509
页数：5
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