Significant Electronic Thermal Transport in the Conducting Polymer Poly(3,4‐ethylenedioxythiophene)

Annie Weathers, Zia Ullah Khan, Robert Brooke, Drew Evans, Michael T. Pettes, Jens Wenzel Andreasen, Xavier Crispin, Li Shi

Research output: Contribution to journalJournal articleResearchpeer-review

Abstract

Suspended microdevices are employed to measure the in-plane electrical conductivity, thermal conductivity, and Seebeck coefficient of suspended poly(3,4-ethylenedioxythiophene) (PEDOT) thin films. The measured thermal conductivity is higher than previously reported for PEDOT and generally increases with the electrical conductivity. The increase exceeds that predicted by the Wiedemann–Franz law for metals and can be explained by significant electronic thermal transport in PEDOT.
Original languageEnglish
JournalAdvanced Materials
Volume27
Issue number12
Pages (from-to)2101-2106
Number of pages6
ISSN0935-9648
DOIs
Publication statusPublished - 2015

Keywords

  • conducting polymers
  • poly(3,4‐ethylenedioxythiophene)
  • thermal conductivity
  • thermoelectric materials
  • Wiedemann–Franz law

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