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

Anna Håkansson; Shaobo Han; Suhao Wang; Jun Lu; Slawomir Braun; Mats Fahlman; Magnus Berggren; Xavier Crispin; Simone Fabiano

doi:10.1002/polb.24331

journal article Mar 10, 2017

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

Anna Håkansson Shaobo Han

Suhao Wang

Jun Lu

Slawomir Braun Mats Fahlman

Magnus Berggren

Xavier Crispin Simone Fabiano

Journal of Polymer Science Part B: Polymer Physics Vol. 55 No. 10 pp. 814-820 · Wiley

View at Publisher Save 10.1002/polb.24331

Abstract

ABSTRACTPoly(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. 2017, 55, 814–820

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Details

Published: Mar 10, 2017
Vol/Issue: 55(10)
Pages: 814-820
License: View

Authors

A

Anna Håkansson

Laboratory of Organic Electronics Department of Science and Technology, Linköping University Norrköping SE‐601 74 Sweden

S

Shaobo Han

Laboratory of Organic Electronics Department of Science and Technology, Linköping University Norrköping SE‐601 74 Sweden

S

Suhao Wang

Laboratory of Organic Electronics Department of Science and Technology, Linköping University Norrköping SE‐601 74 Sweden

J

Jun Lu

Department of Physics Chemistry and Biology, Linköping University Linköping SE‐581 83 Sweden

S

Slawomir Braun

Department of Physics Chemistry and Biology, Linköping University Linköping SE‐581 83 Sweden

M

Mats Fahlman

Department of Physics Chemistry and Biology, Linköping University Linköping SE‐581 83 Sweden

M

Magnus Berggren

Laboratory of Organic Electronics Department of Science and Technology, Linköping University Norrköping SE‐601 74 Sweden

X

Xavier Crispin

Laboratory of Organic Electronics Department of Science and Technology, Linköping University Norrköping SE‐601 74 Sweden

S

Simone Fabiano

Laboratory of Organic Electronics Department of Science and Technology, Linköping University Norrköping SE‐601 74 Sweden

Cite This Article

Anna Håkansson, Shaobo Han, Suhao Wang, et al. (2017). Effect of (3‐glycidyloxypropyl)trimethoxysilane (GOPS) on the electrical properties of PEDOT:PSS films. Journal of Polymer Science Part B: Polymer Physics, 55(10), 814-820. https://doi.org/10.1002/polb.24331

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

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