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Unraveling vertical...
Unraveling vertical inhomogeneity in vapour phase polymerized PEDOT:Tos films
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- Chen, Shangzhi (author)
- Linköpings universitet,Laboratoriet för organisk elektronik,Tekniska fakulteten
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- Petsagkourakis, Ioannis, 1989- (author)
- Linköpings universitet,Laboratoriet för organisk elektronik,Tekniska fakulteten
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- Spampinato, Nicoletta (author)
- Univ. Bordeaux, CNRS, Bordeaux INP, LCPO, Pessac, France
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- Kuang, Chaoyang (author)
- Linköpings universitet,Elektroniska och fotoniska material,Tekniska fakulteten
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- Liu, Xianjie, Ph.D. 1971- (author)
- Linköpings universitet,Laboratoriet för organisk elektronik,Tekniska fakulteten
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- Brooke, Robert (author)
- RISE Research Institutes of Sweden, Bio- and Organic Electronics, Norrköping, Sweden
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- Kang, Evan S. H. (author)
- Linköpings universitet,Laboratoriet för organisk elektronik,Tekniska fakulteten
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- Fahlman, Mats, 1967- (author)
- Linköpings universitet,Laboratoriet för organisk elektronik,Tekniska fakulteten
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- Crispin, Xavier, Professor, 1972- (author)
- Linköpings universitet,Laboratoriet för organisk elektronik,Tekniska fakulteten
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- Pavlopoulou, Eleni (author)
- Univ. Bordeaux, CNRS, Bordeaux INP, LCPO, Pessac, France
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- Jonsson, Magnus, 1981- (author)
- Linköpings universitet,Laboratoriet för organisk elektronik,Tekniska fakulteten
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(creator_code:org_t)
- Royal Society of Chemistry, 2020
- 2020
- English.
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In: Journal of Materials Chemistry A. - : Royal Society of Chemistry. - 2050-7488 .- 2050-7496. ; 8, s. 18726-18734
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https://liu.diva-por... (primary) (Raw object)
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https://liu.diva-por... (primary) (Raw object)
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https://doi.org/10.1...
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Abstract
Subject headings
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- The conducting polymer poly(3,4-ethylenedioxythiophene) (PEDOT) forms a promising alternative to conventional inorganic conductors, where deposition of thin films via vapour phase polymerization (VPP) has gained particular interest owing to high electrical conductivity within the plane of the film. The conductivity perpendicular to the film is typically much lower, which may be related not only to preferential alignment of PEDOT crystallites but also to vertical stratification across the film. In this study, we reveal non-linear vertical microstructural variations across VPP PEDOT:Tos thin films, as well as significant differences in doping level between the top and bottom surfaces. The results are consistent with a VPP mechanism based on diffusion-limited transport of polymerization precursors. Conducting polymer films with vertical inhomogeneity may find applications in gradient-index optics, functionally graded thermoelectrics, and optoelectronic devices requiring gradient doping.
Subject headings
- NATURVETENSKAP -- Kemi -- Materialkemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences -- Materials Chemistry (hsv//eng)
Publication and Content Type
- ref (subject category)
- art (subject category)
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- By the author/editor
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Chen, Shangzhi
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Petsagkourakis, ...
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Spampinato, Nico ...
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Kuang, Chaoyang
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Liu, Xianjie, Ph ...
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Brooke, Robert
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Kang, Evan S. H.
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Fahlman, Mats, 1 ...
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Crispin, Xavier, ...
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Pavlopoulou, Ele ...
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Jonsson, Magnus, ...
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- About the subject
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Chemical Science ...
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and Materials Chemis ...
- Articles in the publication
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Journal of Mater ...
- By the university
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Linköping University