Synthesis and Thermoelectric Properties of InzCo4-xFexSb12 Skutterudites

被引：7
|
作者：
Park, Kwan-Ho [1 ]
Jung, Jae-Yong [1 ]
Ur, Soon-Chul [1 ]
Kim, Il-Ho [1 ]
机构：
[1] Chungju Natl Univ, Dept Mat Sci & Engn, RIC ReSEM, Chungju 380702, Chungbuk, South Korea
来源：
JOURNAL OF ELECTRONIC MATERIALS | 2010年 / 39卷 / 09期
关键词：
Thermoelectric; skutterudite; CoSb3; LAFE4P12; COSB3;
D O I：
10.1007/s11664-010-1188-2
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
The thermoelectric properties of In-filled and Fe-doped CoSb3 (InzCo4-xFexSb12) skutterudites prepared by encapsulated induction melting were examined. A single delta-phase was obtained successfully by subsequent annealing at 823 K for 120 h. The Hall and Seebeck coefficients of the InzCo4-xFexSb12 samples had positive signs, indicating p-type conduction. The electrical conductivity was increased by Fe doping, and the thermal conductivity was decreased by In filling due to phonon scattering. The thermoelectric properties were improved by In filling and Fe doping, and were closely related to the optimum carrier concentration and phonon scattering.
引用
收藏
页码：1750 / 1754
页数：5
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