Nb掺杂Mo1-xWxSeTe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 Mo1-xWxSeTe Solid Solutions

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

表S1 1 Mo1-xWxSeTe(0≤x≤0.5)固溶体的组成、晶胞参数与光学带隙

Table S1 1 Compositions, cell parameters and optical band gaps of Mo1-xWxSeTe (0≤x≤0.5) solid solutions

Sample Actual composition Lattice parameters/nm Eg/eV x=0 MoSe1.02Te1.04 a=0.35, c=1.367 1.030 x=0.25 Mo0.74W0.25Se0.9Te0.96 a=0.3512, c=1.375 1.005 x=0.5 Mo0.54W0.46Se0.93Te0.94 a=0.3.5, c=1.371 0.998