Fabrication of n-type Bi₂Te₃ film using electrophoretic deposition for thermoelectric applications
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(Accepted version)
Date
2018
Authors
Talebi, T.
Ghomashchi, R.
Talemi, P.
Aminorroaya, S.
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Surface and Coatings Technology, 2018; 343:127-130
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Tahereh Talebi, Reza Ghomashchi, PejmanTalemi, Sima Aminorroaya
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Abstract
Fabrication of uniform, crack-free n-type Bi2Te3 films using a fast, cost-effective, electrophoretic deposition method for thermoelectric applications has been reported in this study. The sintering process has been done at 693 K to achieve compact and dense coatings. The microstructures of the surface of the green and sintered films, as well as their thicknesses, have been investigated using SEM, which showed a uniform and even film has resulted using electrophoretic deposition (EPD). Furthermore, the Seebeck coefficients of the green and sintered films have been measured and in-plane Seebeck coefficients of 189 μV/K have been recorded for the sintered film at 500 K.
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© 2017 Elsevier B.V. All rights reserved.