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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 423-426Influence of Cu Doping on the Thermoelectric...

Influence of Cu Doping on the Thermoelectric Properties of Bi_1.5Pb_0.5Sr_1.8La_0.2Co₂O_y

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Abstract:

Cu doped Bi_1.5Pb_0.5Sr_1.8La_0.2Co_2-xCu_xO_y (x = 0.0, 0.2, 0.4) samples were prepared through the solid state reaction method. The influence of different Cu doping contents on electrical resistivity, Seebeck coefficients, thermal conductivity, and the dimensionless figure of merit ZT was investigated. All the samples of Cu concentration 0.4 are single phases. The electrical resistivity of Bi_1.5Pb_0.5Sr_1.8La_0.2Co_1.8Cu_0.2O_y descends, and its ZT values are enhanced obviously. The results show that suitable element doping can modify the electric transport properties and enhance thermoelectric properties of materials.

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Periodical:

Applied Mechanics and Materials (Volumes 423-426)

Pages:

593-596

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.423-426.593

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Online since:

September 2013

Authors:

Qing Lin He, Zhan Ying Guo, Xing Hu, Hong Zhang Song*

Keywords:

Bi_1.5Pb_0.5Sr_1.8La_0.2Co_2-xCu_xO_y, Thermoelectric Properties

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© 2013 Trans Tech Publications Ltd. All Rights Reserved

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