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Journal of Materials Science: Materials in Electronics
Published in: Journal of Materials Science: Materials in Electronics 6/2012

01-06-2012

Thermoelectric properties of WO3-based ceramics doped with Co2O3

Authors: Xiang Dong, Haiqing Wang, Zhongqiu Hua, Shujie Peng, Liang Dong, Yu Wang

Published in: Journal of Materials Science: Materials in Electronics | Issue 6/2012

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Abstract

Tungsten trioxide (WO3) doped with cobalt sesquioxide (Co2O3) was prepared by a conventional mixed oxide processing route and the thermoelectric properties were studied from 300 up to 1,000 K. The addition of Co2O3 to WO3 resulted in an increase in both the grain size and porosity, indicating that Co2O3 promotes the grain grown of WO3. The magnitude of the electrical conductivity (σ) and the absolute value of the Seebeck coefficient (|S|) depended strongly on the Co2O3 content. As for the power factor (σS 2 ), the 5.0 mol% sample has the maximum value of the power factor which is 0.12 μWm−1K−2 at 873 K.
previous article Inducing multiferroic behaviour in the diamagnetic Y2O3 system
next article Effect of Cr doping on the structure, optical and magnetic properties of multiferroic BiFeO3 thin films

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Metadata
Title
Thermoelectric properties of WO3-based ceramics doped with Co2O3
Authors
Xiang Dong
Haiqing Wang
Zhongqiu Hua
Shujie Peng
Liang Dong
Yu Wang
Publication date
01-06-2012
Publisher
Springer US
Published in
Journal of Materials Science: Materials in Electronics / Issue 6/2012
Print ISSN: 0957-4522
Electronic ISSN: 1573-482X
DOI
https://doi.org/10.1007/s10854-011-0574-8

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