Microstructure tailoring in nanostructured thermoelectric materials

Author:

Jiang Qinghui1,Yang Junyou1,Liu Yong2,He Hongcai3

Affiliation:

1. State Key Laboratory of Materials Processing and Die & Mould Technology and School of Materials Science and Engineering Huazhong University of Science and Technology, Wuhan 430074, P. R. China

2. Beijing Institute of Aeronautical Materials, AVIC, Beijing 100095, P. R. China

3. State Key Laboratory of Electronic Thin Films and Integrated Devices and School of Microelectronics and Solid-State Electronics, University of Electronic Science and Technology of China, Chengdu 610054, P. R. China

Abstract

Progresses in thermoelectric (TE) materials will contribute to solving the world’s demands for energy and global climate protection. It also calls for higher ZT to achieve ideal commercial conversion efficiency. As an effective way, nanostructuring can reduce the thermal conductivity by the selective scattering of phonons or enhance Seebeck coefficient via modification of the density of the states, resulting in good ZT value. Meanwhile, TE properties of nanostructured materials should depend on the size and morphology of the microstructure features. This review emphasizes the developments in the TE bulk materials at the nanoscale in the past several years and summarizes the understanding in this active field.

Funder

the National Natural Science Foundation of China

the National Basic Research Program of China

the Natural Science Foundation of Hubei province

Publisher

World Scientific Pub Co Pte Lt

Subject

Electrical and Electronic Engineering,Condensed Matter Physics,Ceramics and Composites,Electronic, Optical and Magnetic Materials

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