Ioffe–Regel limit and lattice thermal conductivity reduction of high performance (AgSbTe2)15(GeTe)85 thermoelectric materials-Reference-Cited by-同舟云学术

Ioffe–Regel limit and lattice thermal conductivity reduction of high performance (AgSbTe2)15(GeTe)85 thermoelectric materials

Published:2014 Issue:9 Volume:2 Page:3251-3256
ISSN:2050-7488
Container-title:J. Mater. Chem. A
language:en
Short-container-title:J. Mater. Chem. A

Author:

Zhu Tiejun¹²³⁴⁵,Gao Hongli¹²³⁴,Chen Yi¹²³⁴,Zhao Xinbing¹²³⁴⁵

Affiliation:

1. State Key Laboratory of Silicon Materials

2. Department of Materials Science and Engineering

3. Zhejiang University

4. Hangzhou 310027, China

5. Key Laboratory of Advanced Materials and Applications for Batteries of Zhejiang Province

Abstract

This work shows that the carrier mean free path of TAGS-85 thermoelectric materials is comparable to the lattice parameter, and that refining the grain size will not affect the mobility while benefiting the thermal conductivity reduction. A state-of-the-art ZT of ~ 1.6 is obtained for the fine-grained samples.

Publisher

Royal Society of Chemistry (RSC)

Subject

General Materials Science,Renewable Energy, Sustainability and the Environment,General Chemistry

Link

http://pubs.rsc.org/en/content/articlepdf/2014/TA/C3TA15147F

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