Bi_(2)Te_(3)-based alloys are the best thermoelectric materials near room temperature.However,the lower thermoelectric(TE)performance of n-type Bi_(2)Te_(3)-based materials compared to their p-type ones seriously limi...Bi_(2)Te_(3)-based alloys are the best thermoelectric materials near room temperature.However,the lower thermoelectric(TE)performance of n-type Bi_(2)Te_(3)-based materials compared to their p-type ones seriously limits the conversion efficiency of thermoelectric devices.In this work,a Bi_(2)Te_(2.5)Se_(0.5)matrix dispersed with Ag_(2)Se nanoparticles is fabricated.The anisotropic thermoelectric properties of the samples are investigated.展开更多
基金financially supported by the National Natural Science Foundation of China(Grant No.12174393,11674322,51672278,and 51972307)the Anhui Provincial Natural Science Foundation(2008085MA18)the Special Foundation of President of HFIPS(No.YZJJ202102).
文摘Bi_(2)Te_(3)-based alloys are the best thermoelectric materials near room temperature.However,the lower thermoelectric(TE)performance of n-type Bi_(2)Te_(3)-based materials compared to their p-type ones seriously limits the conversion efficiency of thermoelectric devices.In this work,a Bi_(2)Te_(2.5)Se_(0.5)matrix dispersed with Ag_(2)Se nanoparticles is fabricated.The anisotropic thermoelectric properties of the samples are investigated.