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Journal of Materials Science: Materials in Electronics
Published in: Journal of Materials Science: Materials in Electronics 12/2012

01-12-2012

Thermoelectric properties of Ti-doped WO3 ceramics

Authors: Haiqing Wang, Yingjie Gan, Xiang Dong, Shujie Peng, Liang Dong, Yu Wang

Published in: Journal of Materials Science: Materials in Electronics | Issue 12/2012

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Abstract

The influences of titanium dioxide (TiO2) on thermoelectric properties of tungsten trioxide (WO3) ceramics were investigated. In the sintered samples, the grain size of the ceramics was evidently reduced while the dense of the ceramics was improved due to the addition of TiO2. Doping WO3 with TiO2 obviously raised the electrical conductivity (σ) of the ceramics by about two orders of magnitude. The absolute value of Seebeck coefficient (|S|) of the doped samples was enhanced because of the small grain size. Thus, the magnitude of the power factor (σS 2) was uplifted strongly by adding TiO2. In addition, there existed an optimum doping concentration of TiO2 in WO3 to obtain a better power factor.
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Metadata
Title
Thermoelectric properties of Ti-doped WO3 ceramics
Authors
Haiqing Wang
Yingjie Gan
Xiang Dong
Shujie Peng
Liang Dong
Yu Wang
Publication date
01-12-2012
Publisher
Springer US
Published in
Journal of Materials Science: Materials in Electronics / Issue 12/2012
Print ISSN: 0957-4522
Electronic ISSN: 1573-482X
DOI
https://doi.org/10.1007/s10854-012-0775-9

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