High thermoelectric and mechanical performance in highly dense Cu2-xS bulks prepared by a melt-solidification technique

Lanling Zhao, Xiaolin Wang*, Frank Yun Fei, Jiyang Wang, Zhenxiang Cheng, Shixue Dou, Jun Wang, G. Jeffrey Snyder

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

107 Scopus citations

Abstract

Highly dense Cu2-xS bulks, fabricated by a melt-solidification technique, show high thermoelectric performance with zT of ∼1.9 at 970 K. The Cu2-xS bulks show good thermal heat flow and diffusivity stability, and they exhibit excellent mechanical properties, with hardness of ∼1 GPa. Density functional theory calculations indicate that Cu2-xS is an intrinsic p-type conductor. This journal is

Original languageEnglish (US)
Pages (from-to)9432-9437
Number of pages6
JournalJournal of Materials Chemistry A
Volume3
Issue number18
DOIs
StatePublished - May 14 2015

ASJC Scopus subject areas

  • Chemistry(all)
  • Renewable Energy, Sustainability and the Environment
  • Materials Science(all)

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