Process for preparing p-type thermoelectric material

Details Process for preparing p-type thermoelectric material Process for preparing p-type thermoelectric material

B - Operations, Transporting

22

F

B22F 9/04 (2006.01) C22C 1/05 (2006.01) H01L 35/16 (2006.01) H01L 35/34 (2006.01)

Patent

CA 2418891

A p-type thermoelectric material is prepared by mixing and melting at least two members selected from bismuth, tellurium, selenium, antimony, and sulfur to obtain an alloy ingot; grinding the alloy ingot to obtain powder of the allow mass; and hot pressing the powder. At least the hot pressing is carried out in the presence of any one of hexane and solvents represented by C n H2n+1OH or C n H2n+2CO (where n is 1, 2 or 3). A dopant may be used at the step of mixing.

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