Chalcopyrite CuGaTe(2): a high-efficiency bulk thermoelectric material

Theerayuth Plirdpring; Ken Kurosaki; Atsuko Kosuga; Tristan Day; Samad Firdosy; Vilupanur Ravi; G Jeffrey Snyder; Adul Harnwunggmoung; Tohru Sugahara; Yuji Ohishi; Hiroaki Muta; Shinsuke Yamanaka

doi:10.1002/adma.201200732

Chalcopyrite CuGaTe(2): a high-efficiency bulk thermoelectric material

Adv Mater. 2012 Jul 17;24(27):3622-6. doi: 10.1002/adma.201200732. Epub 2012 Jun 12.

Authors

Theerayuth Plirdpring¹, Ken Kurosaki, Atsuko Kosuga, Tristan Day, Samad Firdosy, Vilupanur Ravi, G Jeffrey Snyder, Adul Harnwunggmoung, Tohru Sugahara, Yuji Ohishi, Hiroaki Muta, Shinsuke Yamanaka

Affiliation

¹ Graduate School of Engineering, Osaka University, 2-1 Yamadaoka, Suita, Osaka 565-0871, Japan.

PMID: 22689017
DOI: 10.1002/adma.201200732

Abstract

CuGaTe(2) with a chalcopyrite structure demonstrates promising thermoelectric properties. The maximum figure of merit ZT is 1.4 at 950 K. CuGaTe(2) and related chalcopyrites are a new class of high-efficiency bulk thermoelectric material for high-temperature applications.

Publication types

Research Support, Non-U.S. Gov't

MeSH terms

Copper / chemistry*
Hot Temperature
Thermal Conductivity*
X-Ray Diffraction

Substances

chalcopyrite
Copper