Chalcopyrite CuGaTe2: A High‐Efficiency Bulk Thermoelectric Material

• DOI: 10.1002/adma.201200732
• Publication Date: 2012-06-12T09:17:11Z
• Authors: Theerayuth Plirdp...; Ken Kurosaki; Atsuko Kosuga; Tristan Day; Samad Firdosy; Vilupanur Ravi; G. Jeffrey Snyder; Adul Harnwunggmoung; Tohru Sugahara; Yuji Ohishi; Hiroaki Muta; Shinsuke Yamanaka
• Keywords: Hot Temperature; Thermal Conductivity; 02 engineering and technology; 540; 530; 7. Clean energy; chalcopyrite; X-Ray Diffraction; thermal conductivity; CuGaTe2; 0210 nano-technology; thermoelectrics; Copper; electrical resistivity

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.