氧化锌基热电材料研究进展  

Progress in the Research of ZnO-Based Thermoelectric Materials

作　　者：范强[1] 杨建会[1] 邓迟[1] 张建平[1] 肖志刚[1] 曹进[1] 

机构地区：[1]乐山师范学院物理与电子工程学院,四川乐山614000

出　　处：《乐山师范学院学报》2015年第12期21-25,共5页Journal of Leshan Normal University

基　　金：乐山师范学院资助科研项目(Z1273);四川省教育厅资助重点科研项目(15ZA0273;13ZB0111);乐山市科技计划重点研究项目(15GZD111;15GZD113)

摘　　要：纤锌矿氧化锌(Zn O)是一类性能优异的高温热电材料,在航天飞行器和太阳能温差发电方面具有广阔的应用前景。如何最大限度地提高材料的热电优值(ZT值)是当今热电材料研究的主要问题,常通过对电子和声子输运性能的综合调控,以达到热学性能和电学性能的协调统一来获得最优ZT值。文章综述了纤锌矿Zn O基陶瓷和纳米结构材料的热电性能研究进展,重点介绍了研究工艺、掺杂和量子限制效应等方法对电子和声子输运的调控结果,分析了其对提高ZT值的效果,展望了今后的研究重点和方向。Spiauterite-Zn O is a kind of high temperature thermoelectric material with excellent properties,which has broad application in the space shuttle and solar-thermal electric power generation. The key problem of TE materials research is how to fully improve the thermoelectric figure of merit（ZT）. The promising value of ZT can be achieved by the integrated control of the transport properties of electron and phonon in order to achieve the coordination of thermal and electronic properties of materials. Recent research progress of thermoelectric properties of spiauterite-Zn O based TE materials in different dimensions,such as ceramics and nanostructures are reviewed. The optimizing effects by research method,doping and quantum confinement on electronic and phonon transport are analyzed,the effects on the enhancement of ZT value are discussed,and prospects for future research focus and direction are also included.

关 键 词：纤锌矿ZnO 热电材料 热电优值 电子输运 声子输运 

分 类 号：TB34[一般工业技术—材料科学与工程] O472[理学—半导体物理]