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2 制备晶体提升载流子迁移率与热电性能 Color online (a) schematic of carrier scattering in polycrystals and crystals (b) changes of μ with temperatures (T) (The inset presents the measurement direction of polycrystals in Figs.2b-d; P—pressing direction) (c) changes of PF with T (d) changes of ZT with T

Fig.2 Strategy of crystal growth (Crystal: SnSe-Br[40], SnSe-Na[41], SnS-Na-Se[42]; Polycrystal: SnSe-Br[43], SnSe-Na[44], SnS-Sn vacancy[45])