Preparation and thermoelectric properties of CoSb₃based nano-compound

X. F. Tang, B. L. Yu

State Key Laboratory of AdvancedTechnology for Materials Synthesis and Processing,

Wuhan University of Technology, Wuhan430070, China

CoSb₃ basedmicrometer powders were synthesized by solid-state reaction method. Thepreparation process of CoSb₃ based nanopowders was performed throughhigh-energy ball-milling method and block material with nanostructure wassintering by Spark Plasma Sintering. The influence of nanostructure on electricstructure, carrier mobilities, electrical conductivity, Seebeck coefficient andlattice thermal conductivity of CoSb₃ based nano-compounds wasstudied.