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Tuning of dimensionless figure of merit via boundary scattering in In 2 O 3-δ

Abstract : In this paper, the dimensionless figure of merit (ZT) is optimized using the scattering in nanocrystals (NCs) of Zr-doped In2O3-δ. The effect of boundary scattering on the thermoelectric properties of the NCs was analyzed using the Boltzmann transport equation and Debye-Callaway model. A ZT map computed based on these theories determined the optimum material parameters to improve the transport properties of the NCs. A theoretically predicted enhancement in ZT of ∼40% can be reproduced experimentally, indicating that engineering of ZT using NCs is promising.
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https://hal-normandie-univ.archives-ouvertes.fr/hal-02264214
Contributor : Elisabeth van T Hof <>
Submitted on : Tuesday, August 6, 2019 - 2:50:53 PM
Last modification on : Friday, September 27, 2019 - 8:48:47 AM

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Yoshiaki Kinemuchi, Emmanuel Guilmeau, Oleg Lebedev, Antoine Maignan. Tuning of dimensionless figure of merit via boundary scattering in In 2 O 3-δ. Journal of Applied Physics, American Institute of Physics, 2011, 110 (12), pp.124304. ⟨10.1063/1.3669392⟩. ⟨hal-02264214⟩

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