Enhanced Thermoelectric Properties of n-type Mg3Sb2 by Excess Magnesium and Tellurium Doping - 文章详情页

作者：

Wang, Yangzhong (Wang, Yangzhong.) | Zhang, Xin (Zhang, Xin.) | Wang, Yang (Wang, Yang.) | Liu, Hongliang (Liu, Hongliang.) | Zhang, Jiuxing (Zhang, Jiuxing.)

收录：

EI Scopus SCIE

摘要：

Mg3Sb2　shows　poor　comprehensive　thermoelectric　properties　mainly　because　its　conductivity　is　very　poor,　despite　it　has　very　low　thermal　conductivity.　Excess　Mg　combined　with　small　amount　of　Te　doping　can　control　carrier　type　and　carrier　concentration.　The　semiconductor　and　metallic　transport　mechanism　coordinate　to　control　the　electrical　transport　characteristics　and　improve　the　electrical　transport　performance.　The　lattice　thermal　conductivity　of　Mg3Sb2　decreases　after　Te　doping.　The　maximum　ZT　value　is　0.78　for　Mg3.2Sb1.99Te0.01　at　773　K.

关键词：

carrier concentration thermoelectric thermal conductivity n-type Mg3Sb2

作者机构：

[ 1 ] [Wang, Yangzhong]Beijing Univ Technol, Coll Mat Sci & Engn, Minist Educ, Key Lab Adv Funct Mat, Beijing 100124, Peoples R China
[ 2 ] [Zhang, Xin]Beijing Univ Technol, Coll Mat Sci & Engn, Minist Educ, Key Lab Adv Funct Mat, Beijing 100124, Peoples R China
[ 3 ] [Wang, Yang]Beijing Univ Technol, Coll Mat Sci & Engn, Minist Educ, Key Lab Adv Funct Mat, Beijing 100124, Peoples R China
[ 4 ] [Liu, Hongliang]Beijing Univ Technol, Coll Mat Sci & Engn, Minist Educ, Key Lab Adv Funct Mat, Beijing 100124, Peoples R China
[ 5 ] [Zhang, Jiuxing]Beijing Univ Technol, Coll Mat Sci & Engn, Minist Educ, Key Lab Adv Funct Mat, Beijing 100124, Peoples R China
[ 6 ] [Zhang, Jiuxing]Hefei Univ Technol, Sch Mat Sci & Engn, Hefei 230009, Anhui, Peoples R China

通讯作者信息：

[Zhang, Xin]Beijing Univ Technol, Coll Mat Sci & Engn, Minist Educ, Key Lab Adv Funct Mat, Beijing 100124, Peoples R China;;[Zhang, Jiuxing]Beijing Univ Technol, Coll Mat Sci & Engn, Minist Educ, Key Lab Adv Funct Mat, Beijing 100124, Peoples R China;;[Zhang, Jiuxing]Hefei Univ Technol, Sch Mat Sci & Engn, Hefei 230009, Anhui, Peoples R China

电子邮件地址：

zhxin@bjut.edu.cn |
zjiuxing@hfut.edu.cn

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