The Ohio State University

Zt Plus

Fred Harris

Vladimir Jovovic

Joseph P Heremans

Christopher M Jaworski

A thermoelectric material and a method of making a thermoelectric material are provided. In certain embodiments, the thermoelectric material comprises at least 10 volume percent porosity. In some embodiments, the thermoelectric material has a zT greater than about 1.2 at a temperature of about 375 K. In some embodiments, the thermoelectric material comprises a topological thermoelectric material. In some embodiments, the thermoelectric material comprises a general composition of (BiSb)(TeSe), wherein 0&#x2266;x&#x2266;1, 0&#x2266;y&#x2266;1, 1.8&#x2266;u&#x2266;2.2, 2.8&#x2266;w&#x2266;3.2. In further embodiments, the thermoelectric material includes a compound having at least one group IV element and at least one group VI element. In certain embodiments, the method includes providing a powder comprising a thermoelectric composition, pressing the powder, and sintering the powder to form the thermoelectric material.

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Duncanville, TX, United States of America

Fred Harris