Effect of (3‐glycidyloxypropyl)trimethoxysilane (GOPS) on the electrical properties of PEDOT:PSS films

DOI Web Site Web Site 被引用文献6件
  • Anna Håkansson
    Laboratory of Organic Electronics Department of Science and Technology, Linköping University Norrköping SE‐601 74 Sweden
  • Shaobo Han
    Laboratory of Organic Electronics Department of Science and Technology, Linköping University Norrköping SE‐601 74 Sweden
  • Suhao Wang
    Laboratory of Organic Electronics Department of Science and Technology, Linköping University Norrköping SE‐601 74 Sweden
  • Jun Lu
    Department of Physics Chemistry and Biology, Linköping University Linköping SE‐581 83 Sweden
  • Slawomir Braun
    Department of Physics Chemistry and Biology, Linköping University Linköping SE‐581 83 Sweden
  • Mats Fahlman
    Department of Physics Chemistry and Biology, Linköping University Linköping SE‐581 83 Sweden
  • Magnus Berggren
    Laboratory of Organic Electronics Department of Science and Technology, Linköping University Norrköping SE‐601 74 Sweden
  • Xavier Crispin
    Laboratory of Organic Electronics Department of Science and Technology, Linköping University Norrköping SE‐601 74 Sweden
  • Simone Fabiano
    Laboratory of Organic Electronics Department of Science and Technology, Linköping University Norrköping SE‐601 74 Sweden

書誌事項

公開日
2017-03-10
権利情報
  • http://onlinelibrary.wiley.com/termsAndConditions#vor
DOI
  • 10.1002/polb.24331
公開者
Wiley

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説明

<jats:title>ABSTRACT</jats:title><jats:p>Poly(3,4‐ethylenedioxythiophene) doped with poly(styrenesulfonate) (PEDOT:PSS) has been reported as a successful functional material in a broad variety of applications. One of the most important advantages of PEDOT:PSS is its water‐solubility, which enables simple and environmental friendly manufacturing processes. Unfortunately, this also implies that pristine PEDOT:PSS films are unsuitable for applications in aqueous environments. To reach stability in polar solvents, (3‐glycidyloxypropyl)trimethoxysilane (GOPS) is typically used to cross‐link PEDOT:PSS. Although this strategy is widely used, its mechanism and effect on PEDOT:PSS performance have not been articulated yet. Here, we present a broad study that provides a better understanding of the effect of GOPS on the electrical and electronic properties of PEDOT:PSS. We show that the GOPS reacts with the sulfonic acid group of the excess PSS, causing a change in the PEDOT:PSS film morphology, while the oxidation level of PEDOT remains unaffected. This is at the origin of the observed conductivity changes. © 2017 Wiley Periodicals, Inc. J. Polym. Sci., Part B: Polym. Phys. <jats:bold>2017</jats:bold>, <jats:italic>55</jats:italic>, 814–820</jats:p>

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