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

*Corresponding author for this work

Research output: Contribution to journalArticle

205 Scopus citations


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.

Original languageEnglish (US)
Pages (from-to)3622-3626
Number of pages5
JournalAdvanced Materials
Issue number27
StatePublished - Jul 17 2012


  • CuGaTe
  • chalcopyrite
  • electrical resistivity
  • thermal conductivity
  • thermoelectrics

ASJC Scopus subject areas

  • Materials Science(all)
  • Mechanics of Materials
  • Mechanical Engineering

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    Plirdpring, T., Kurosaki, K., Kosuga, A., Day, T., Firdosy, S., Ravi, V., Snyder, G. J., Harnwunggmoung, A., Sugahara, T., Ohishi, Y., Muta, H., & Yamanaka, S. (2012). Chalcopyrite CuGaTe 2: A high-efficiency bulk thermoelectric material. Advanced Materials, 24(27), 3622-3626.