Chalcopyrite CuGaTe2: A High-Efficiency Bulk Thermoelectric Material (pages 3622–3626)
Theerayuth Plirdpring, Ken Kurosaki, Atsuko Kosuga, Tristan Day, Samad Firdosy, Vilupanur Ravi, G. Jeffrey Snyder, Adul Harnwunggmoung, Tohru Sugahara, Yuji Ohishi, Hiroaki Muta and Shinsuke Yamanaka
Article first published online: 12 JUN 2012 | DOI: 10.1002/adma.201200732
CuGaTe2 with a chalcopyrite structure demonstrates promising thermoelectric properties. The maximum figure of merit ZT is 1.4 at 950 K. CuGaTe2 and related chalcopyrites are a new class of high-efficiency bulk thermoelectric material for high-temperature applications.