Point Defect Engineering Boosting the Thermoelectric Properties of Layered 122 Zintl Compounds

作     者：GUO Kai HUO Hao-Jie LUO Jun GUO Kai;HUO Hao-Jie;LUO Jun

作者机构：School of Materials Science and EngineeringShanghai UniversityShanghai 200444China Materials Genome InstituteShanghai UniversityShanghai 200444China 

出 版 物：《Chinese Journal of Structural Chemistry》 (结构化学（英文）)

年 卷 期：2020年第39卷第5期

页      面：815-820页

核心收录：

学科分类：08[工学] 080501[工学-材料物理与化学] 0805[工学-材料科学与工程（可授工学、理学学位）] 

基　　金：Supported by the National Key Research and Development Program of China(2018YFA0702100) the National Natural Science Foundation of China(21771123,51772186 and 51632005) the Program of Introducing Talents of Discipline to Universities(D16002) 

主　　题：layered structure 122 Zintl phase point defect orbital alignment phonon scattering thermoelectric properties 

摘      要：The layered 122 Zintl compounds have become an intriguing class of thermoelectric materials due to the promising electronic transport properties and inherently low thermal conductivity,showing the typical characteristics ofphonon-glass electron-crystal.Owing to the unprecedented performance tunability,the thermoelectric properties of the layered-structure compounds are completive with some traditional thermoelectric *** defects involving vacancy,aliovalent doping and equivalent alloying atoms have been introduced to further enhance the thermoelectric *** review emphasizes the effects of various point defects on the thermoelectric parameters,and provides perspective on the strategies for increasing the thermoelectric figure of merit zT,which are believed to be applicable for improving the thermoelectric properties of many other compounds.