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Significant Electronic Thermal Transport in the Conducting Polymer Poly(3,4‐ethylenedioxythiophene)
Author(s) -
Weathers Annie,
Khan Zia Ullah,
Brooke Robert,
Evans Drew,
Pettes Michael T.,
Andreasen Jens Wenzel,
Crispin Xavier,
Shi Li
Publication year - 2015
Publication title -
advanced materials
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 10.707
H-Index - 527
eISSN - 1521-4095
pISSN - 0935-9648
DOI - 10.1002/adma.201404738
Subject(s) - pedot:pss , materials science , poly(3,4 ethylenedioxythiophene) , seebeck coefficient , thermal conductivity , thermoelectric effect , conductive polymer , electrical resistivity and conductivity , thermoelectric materials , conductivity , polymer , composite material , thermodynamics , chemistry , electrical engineering , physics , engineering
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.