Interfaces in bulk thermoelectric materials. A review for Current Opinion in Colloid and Interface Science

D. L. Medlin, G. J. Snyder*

*Corresponding author for this work

Research output: Contribution to journalReview articlepeer-review

312 Scopus citations

Abstract

We review current progress in the understanding of interfaces in bulk thermoelectric materials. Following a brief discussion of the mechanisms by which embedded interfaces can enhance the electronic and thermal transport properties, we focus on emerging routes to engineer the nanoscale grain and interfacial structures in bulk thermoelectric materials. We address in particular (i) control of crystallographic texture, (ii) reduction of grain size to nanocrystalline dimensions, and (iii) formation of nanocomposite structures. While these approaches are beginning to yield promising improvements in performance, continued progress will require an improved fundamental understanding of the mechanisms governing the formation, stability, and properties of thermoelectric interfaces.

Original languageEnglish (US)
Pages (from-to)226-235
Number of pages10
JournalCurrent Opinion in Colloid and Interface Science
Volume14
Issue number4
DOIs
StatePublished - Aug 1 2009

Keywords

  • Crystallographic texture
  • Grain boundaries
  • Interfaces
  • Nanostructures
  • Thermoelectric materials

ASJC Scopus subject areas

  • Surfaces and Interfaces
  • Physical and Theoretical Chemistry
  • Polymers and Plastics
  • Colloid and Surface Chemistry

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