热电材料的载流子迁移率优化

赵立东, 王思宁, 肖钰

Carrier Mobility Optimization in Thermoelectric Materials

ZHAO Li-Dong, WANG Sining, XIAO Yu

图4 微缺陷调控提升载流子迁移率与热电性能
Color online
(a) schematic of point defects scattering to carriers and phonons
(b) μ as a function of n
(c) μ as a function of the reciprocal of lattice thermal conductivity (1 / κ_lat)
(d) comparisons of μ / κ_lat
(e) PF as a function of T
(f) ZT as a function of T (ZT_ave—average figure of merit)

Fig.4 Strategy of point defect manipulation (PbTe-(Cu^[72]/Cu₂Te^[73]/Ag₂Te^[76]/CdTe^[77]/InSb^[78]), PbSe-(Cu^[74]/Zn^[75]/CdSe^[79]/SrSe^[80]))