Binary thermoelectric material containing nanoparticles and process for producing the same

摘要

A thermoelectric material that comprises a binary main group matrix material and nano-particles and/or nano-inclusions of metal oxide dispersed therein, and has electrical properties of ternary doped materials. A process for making the thermoelectric material that includes reacting a reduced metal precursor with an oxidized metal precursor in the presence of nanoparticles.

主权项

1. A thermoelectric composition, comprising:
a binary main group semiconductor material of formula Bi2Te3 and ZnO nanoparticles, wherein the ZnO nanoparticles are dispersed in a matrix of the binary main group semiconductor material, wherein the electrical conductivity of the thermoelectric composition decreases over a temperature range of 150 to 200° C. and the Seebeck coefficient of the thermoelectric material levels off over a temperature range of 150 to 200° C.