Nb掺杂Mo1-xWxSeTe固溶体的热-电输运性能优化

Nb掺杂Mo_1-_xW_xSeTe固溶体的热-电输运性能优化

周星圆,柳伟,张程,华富强,张敏,苏贤礼,唐新峰

Optimization of Thermoelectric Transport Properties of Nb-doped Mo_1-_xW_xSeTe Solid Solutions

ZHOU Xingyuan,LIU Wei,ZHANG Cheng,HUA Fuqiang,ZHANG Min,SU Xianli,TANG Xinfeng

图4 Nb₂_yMo_0.5-_yW_0.5-_ySeTe(0≤y≤0.035)固溶体的(a)电导率s, (b)塞贝克系数S和(c)功率因子PF随温度的变化关系曲线, (a)中插图为Nb掺杂后引入的杂质能级示意图。

Fig. 4 Temperature dependence of (a) electrical conductivity s, (b) Seebeck coefficient S and (c) power factor PF of Nb₂_yMo_0.5-_yW_0.5-_ySeTe (0≤y≤0.035) solid solutions with inset in (a) showing the impurity states introduced by the Nb doping.