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Unraveling vertical...
Unraveling vertical inhomogeneity in vapour phase polymerized PEDOT:Tos films
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- Chen, Shangzhi (författare)
- Linköping University, Sweden
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- Petsagkourakis, Ioannis (författare)
- Linköping University, Sweden
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- Spampinato, Nicoletta (författare)
- University Bordeaux, France
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- Kuang, Chaoyang (författare)
- Linköping University, Sweden
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- Liu, Xianjie (författare)
- Linköping University, Sweden
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- Brooke, Robert, 1989- (författare)
- RISE,Smart hårdvara
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- Kang, Evan (författare)
- Linköping University, Sweden
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- Fahlman, Mats (författare)
- Linköping University, Sweden
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- Crispin, Xavier (författare)
- Linköping University, Sweden
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- Pavlopoulou, Eleni (författare)
- University Bordeaux, France
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- Jonsson, Magnus (författare)
- Linköping University, Sweden
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(creator_code:org_t)
- 2020
- 2020
- Engelska.
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Ingår i: Journal of Materials Chemistry A. - : Royal Society of Chemistry. - 2050-7488 .- 2050-7496. ; 8:36, s. 18726-18734
- Relaterad länk:
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https://pubs.rsc.org...
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- The conducting polymer poly(3,4-ethylenedioxythiophene) (PEDOT) forms a promising alternative to conventional inorganic conductors, where deposition of thin filmsviavapour 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.
Nyckelord
- Conducting polymers
- Crystallites
- Gradient index optics
- Optoelectronic devices
- Polymerization
- Semiconductor doping
- Thin films
- Diffusion-limited transport
- Functionally graded
- High electrical conductivity
- Mechanism-based
- Microstructural variation
- Poly(3
- 4 ethylenedioxythiophene) (PEDOT)
- Thermoelectrics
- Vertical stratification
- Polymer films
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- art (ämneskategori)
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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
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Brooke, Robert, ...
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visa fler...
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Kang, Evan
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Fahlman, Mats
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Crispin, Xavier
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Pavlopoulou, Ele ...
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Jonsson, Magnus
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visa färre...
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Journal of Mater ...
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