Transport Behavior and Thermal Conductivity Reduction in the Composite System PbTe-Pb-Sb-Reference-Cited by-同舟云学术

Transport Behavior and Thermal Conductivity Reduction in the Composite System PbTe-Pb-Sb

Published:2007 Issue: Volume:1044 Page:
ISSN:0272-9172
Container-title:MRS Proceedings
language:en
Short-container-title:MRS Proc.

Author:

Sootsman Joseph,Kong Huijun,Uher Ctirad,Downey Adam,D'Angelo Jonathan James,Wu Chun-I,Hogan Timothy,Caillat Thierry,Kanatzidis Mercouri

Abstract

AbstractWe report the synthesis of nanostructured composite PbTe with excess Pb and Sb metal inclusions. Scanning and transmission electron microscopy reveal these inclusions in both the nano- and macroscales. The electrical conductivity and Seebeck coefficient dependence on temperature show unusual trends which depend on the inclusion Pb/Sb ratio. Several ratios showed marked enhancements in power factor at 700 K. The thermal conductivity of these composites is reported.

Publisher

Springer Science and Business Media LLC

Subject

General Engineering

Reference11 articles.

1. Nanostructured thermoelectric materials

2. Aspects of Thin-Film Superlattice Thermoelectric Materials, Devices, and Applications

3. Nanostructuring and High Thermoelectric Efficiency in p-Type Ag(Pb1 –ySny)mSbTe2 +m

4. Strong Reduction of Thermal Conductivity in Nanostructured PbTe Prepared by Matrix Encapsulation

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