氧化物热电材料研究进展

doi:10.3724/SP.J.1077.2014.13185

摘要/Abstract

摘要：

氧化物基热电材料具有高温稳定性、抗氧化性和安全长效等优点而受到人们的广泛关注, 但其应用受到了热电性能的限制。本文详细介绍了几种典型氧化物热电体系, 如层状钴基氧化物、钙钛矿结构化合物、透明导电氧化物和一些新型氧化物热电材料的研究进展。从能带结构和微观形貌两方面入手进行调节, 以达到热电材料热学性能和电学性能的协调统一。分析了氧化物热电材料研究中的主要问题, 并对未来的发展提出了一些新的思路。

关键词: 氧化物, 热电性能, 钴基氧化物, 钙钛矿, 综述

Abstract:

The oxides-based thermoelectric materials have been attracted widespread concerns due to their high temperature stability, oxidation resistance, safety and long-term durability, but their applications are limited by the thermoelectric properties. In this paper, the research progress on several typical oxides thermoelectric materials, e.g. layered cobalt oxides, perovskite-structured compounds, transparent conductive oxides and novel oxides are thoroughly discussed. In order to achieve the harmonization of thermal and electric properties in thermoelectric materials, the band structure and microstructure are depth regulated. The main issues for developing high performance thermoelectric oxides are analyzed, and some new ideas for further development are proposed.

Key words: oxide, thermoelectric property, cobalt oxide, perovskite-structured, review

中图分类号:

TB34

詹斌, 兰金叻, 刘耀春, 丁靖轩, 林元华, 南策文. 氧化物热电材料研究进展[J]. 无机材料学报, 2014, 29(3): 237-244.

ZHAN Bin, LAN Jin-Le, LIU Yao-Chun, DING Jing-Xuan, LIN Yuan-Hua, NAN Ce-Wen. Research Progress of Oxides Thermoelectric Materials[J]. Journal of Inorganic Materials, 2014, 29(3): 237-244.

图/表 4

图1 合金(a)与氧化物(b)体系热电材料的热电性能[5-7,10-23]

Fig. 1 Alloy system (a) and oxide system (b) of thermoelectric materials[5-7,10-23]

图2 层状钴化物的晶体结构[40]

Fig. 2 Crystal structure of layered cobalt compound[40]

图3 钙钛矿型氧化物的晶体结构

Fig. 3 Crystal structure of perovskite oxide

图4 BiCuSeO的晶体结构[86]

Fig. 4 Crystal structure of BiCuSeO[86]

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