氧化物热电材料是半导体热电材料中的一种,具有独特的优点和广阔的应用前景,介绍与其研究相关的基础理论,并讨论了改善热电性能的途径.钴酸盐类氧化物中的NaCo2O4、Ca3Co4O9和Ca3Co2O6处于氧化物热电材料的研究前沿,综述了它们的晶体结构、制备方法、元素掺杂、热电性能及影响因素,探讨了其进一步的发展方向.
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