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Effect of (3-Glycid...
Effect of (3-Glycidyloxypropyl)Trimethoxysilane (GOPS) on the Electrical Properties of PEDOT:PSS Films
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- Håkansson, Anna (author)
- Linköpings universitet,Fysik och elektroteknik,Tekniska fakulteten
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- Han, Shaobo (author)
- Linköpings universitet,Fysik och elektroteknik,Tekniska fakulteten
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- Wang, Suhao (author)
- Linköpings universitet,Fysik och elektroteknik,Tekniska fakulteten
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- Lu, Jun (author)
- Linköpings universitet,Tunnfilmsfysik,Tekniska fakulteten
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- Braun, Slawomir (author)
- Linköpings universitet,Ytors Fysik och Kemi,Tekniska fakulteten
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- Fahlman, Mats (author)
- Linköpings universitet,Ytors Fysik och Kemi,Tekniska fakulteten
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- Berggren, Magnus (author)
- Linköpings universitet,Fysik och elektroteknik,Tekniska fakulteten
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- Crispin, Xavier (author)
- Linköpings universitet,Fysik och elektroteknik,Tekniska fakulteten
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- Fabiano, Simone (author)
- Linköpings universitet,Fysik och elektroteknik,Tekniska fakulteten
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(creator_code:org_t)
- 2017-03-10
- 2017
- English.
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In: Journal of Polymer Science Part B. - : WILEY. - 0887-6266 .- 1099-0488. ; 55:10, s. 814-820
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Abstract
Subject headings
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- 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. (c) 2017 Wiley Periodicals, Inc.
Subject headings
- NATURVETENSKAP -- Kemi -- Polymerkemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences -- Polymer Chemistry (hsv//eng)
Keyword
- crosslinking; film morphology; GOPS; oxidation level; PEDOT:PSS
Publication and Content Type
- ref (subject category)
- art (subject category)
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