Enhanced thermoelectric properties through minority carriers blocking in nanocomposites

We use the Boltzmann transport equation under the relaxation time approximation to investigate the effect of minority blocking on the transport properties of nanocomposites (NCs). Taking p-type Bi 0.5Sb 1.5Te 3 NCs as an example, we find that the thermally excited minority carriers can be strongly s...

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Veröffentlicht in:	Journal of applied physics 2019-09, Vol.126 (9)
Hauptverfasser:	Hu, Jizhu, Liu, Bin, Subramanyan, Harish, Li, Baowen, Zhou, Jun, Liu, Jun
Format:	Artikel
Sprache:	eng
Schlagworte:	Boltzmann transport equation Figure of merit Filtration Majority carriers Minority carriers Nanocomposites Potential barriers Power factor Relaxation time Seebeck effect Thermal conductivity Thermoelectricity Transport properties
Online-Zugang:	Volltext
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