Thermoelectric Properties of SnO2 Ceramics Doped with Sb and Zn

被引：33
|
作者：
Yanagiya, S. [1 ,2 ]
Nong, N. V. [2 ]
Xu, J. [2 ]
Sonne, M. [2 ]
Pryds, N. [2 ]
机构：
[1] Hakodate Natl Coll Technol, Dept Elect & Elect Engn, Hakodate, Hokkaido 0428501, Japan
[2] Tech Univ Denmark, Riso Natl Lab Sustainable Energy, Fuel Cells & Solid State Chem Div, DK-4000 Roskilde, Denmark
来源：
JOURNAL OF ELECTRONIC MATERIALS | 2011年 / 40卷 / 05期
关键词：
Oxide thermoelectric material; tin oxide; antimony; zinc; codoping; ELECTRICAL-PROPERTIES; MICROSTRUCTURE DEVELOPMENT; SNO2-BASED VARISTORS; SINGLE-CRYSTALS; PERFORMANCE; ADDITIVES; OXIDE; CO;
D O I：
10.1007/s11664-010-1506-8
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：
Polycrystalline SnO2-based samples (Sn0.97-x Sb0.03Zn (x) O-2, x = 0, 0.01, 0.03) were prepared by solid-state reactions. The thermoelectric properties of SnO2 doped with Sb and Zn were investigated from 300 K to 1100 K. X-ray diffraction (XRD) analysis revealed all XRD peaks of all the samples as identical to the rutile structure, except for the x = 0.03 sample, which had a small amount of Zn2SbO4 as a secondary phase. We found that the power factor of the x = 0.03 sample was significantly improved due to the simultaneous increase in the electrical conductivity and the Seebeck coefficient. A power factor value of similar to 2 x 10(-4) W m(-1) K-2 was obtained for the x = 0.03 sample at 1060 K, 126% higher than that for the undoped sample.
引用
收藏
页码：674 / 677
页数：4
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