Thermoelectric properties of BiOCu1-xMxSe (M = Cd and Zn)

Son D. N. Luu, Paz Vaqueiro

Research output: Contribution to journalArticlepeer-review

20 Citations (Scopus)

Abstract

Doping of BiOCuSe at the copper site with divalent cadmium and zinc cations has been investigated. Analysis of the powder x-ray diffraction data indicates that the ZrCuSiAs structure of BiOCuSe is retained up to substitution levels of 10 and 5 at.% for Cd2+ and Zn2+, respectively. Substitution of monovalent Cu+ with divalent Cd2+ or Zn2+ leads to an increase in the magnitude of the electrical resistivity and the Seebeck coefficient. All synthesized materials behave as p-type semiconductors.

Original languageEnglish
Article number064002
Number of pages5
JournalSemiconductor Science and Technology
Volume29
Issue number6
DOIs
Publication statusPublished - Jun 2014

Keywords

  • thermoelectric material
  • oxyselenide
  • BiCuSeO
  • thermal conductivity
  • Seebeck coefficient
  • OPTOELECTRONIC PROPERTIES
  • ELECTRONIC-STRUCTURES
  • BICUSEO OXYSELENIDES
  • TRANSPORT-PROPERTIES
  • DOPED BICUSEO
  • PERFORMANCE
  • CRYSTAL
  • CU
  • OXYCHALCOGENIDES
  • SYSTEM

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