Soft PEDOT:PSS aerogel architectures for thermoelectric applications

ABSTRACT In this study, we present the first characterization of pure PEDOT:PSS aerogels fabricated via a facile and reproducible freeze–drying technique using no additional crosslinking agents, and it is demonstrated that these materials provide a promising path to new classes of polymeric thermoel...

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Bibliographic Details
Published inJournal of applied polymer science Vol. 134; no. 3; pp. np - n/a
Main Authors Gordon, Madeleine P., Zaia, Edmond W., Zhou, Preston, Russ, Boris, Coates, Nelson E., Sahu, Ayaskanta, Urban, Jeffrey J.
Format Journal Article
LanguageEnglish
Published Hoboken Wiley Subscription Services, Inc 15.01.2017
Subjects
Accessibility
Aerogels
Architecture
conducting polymers
Electronics
Ethylene glycol
Materials science
Polymers
porous materials
Reagents
structure–property relations
Surface area
Thermoelectricity
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Summary:ABSTRACT In this study, we present the first characterization of pure PEDOT:PSS aerogels fabricated via a facile and reproducible freeze–drying technique using no additional crosslinking agents, and it is demonstrated that these materials provide a promising path to new classes of polymeric thermoelectric materials. The morphology, chemical composition, and thermoelectric properties of these robust and mechanically stable aerogels were investigated upon treatment with ethylene glycol. By direct comparison to fully dense PEDOT:PSS thick films, it is shown that the electronic portion of thermoelectric transport in PEDOT:PSS was remarkably unaffected by morphological porosity, presenting exciting opportunities for novel soft materials that simultaneously integrate thermoelectric behavior while also capitalizing on the high surface area scaffolding accessible in such aerogel architectures. © 2016 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2017, 134, 44070.
Bibliography:M. P. Gordon, E. W. Zaia, and P. Zhou contributed equally to this work.
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ISSN:0021-8995
1097-4628
DOI:10.1002/app.44070