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  • Chen, ShangzhiLinköpings universitet,Laboratoriet för organisk elektronik,Tekniska fakulteten (author)

Unraveling vertical inhomogeneity in vapour phase polymerized PEDOT:Tos films

  • Article/chapterEnglish2020

Publisher, publication year, extent ...

  • Royal Society of Chemistry,2020
  • electronicrdacarrier

Numbers

  • LIBRIS-ID:oai:DiVA.org:liu-170838
  • https://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-170838URI
  • https://doi.org/10.1039/D0TA06031CDOI

Supplementary language notes

  • Language:English
  • Summary in:English

Part of subdatabase

Classification

  • Subject category:ref swepub-contenttype
  • Subject category:art swepub-publicationtype

Notes

  • The fulltext is published under a Creative Commons Attribution-NonCommercial 3.0 Unported Licence.https://creativecommons.org/licenses/by-nc/3.0/
  • 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 and genre

Added entries (persons, corporate bodies, meetings, titles ...)

  • Petsagkourakis, Ioannis,1989-Linköpings universitet,Laboratoriet för organisk elektronik,Tekniska fakulteten(Swepub:liu)ioape95 (author)
  • Spampinato, NicolettaUniv. Bordeaux, CNRS, Bordeaux INP, LCPO, Pessac, France (author)
  • Kuang, ChaoyangLinköpings universitet,Elektroniska och fotoniska material,Tekniska fakulteten(Swepub:liu)chaku79 (author)
  • Liu, Xianjie,Ph.D.1971-Linköpings universitet,Laboratoriet för organisk elektronik,Tekniska fakulteten(Swepub:liu)xiali21 (author)
  • Brooke, RobertRISE Research Institutes of Sweden, Bio- and Organic Electronics, Norrköping, Sweden (author)
  • Kang, Evan S. H.Linköpings universitet,Laboratoriet för organisk elektronik,Tekniska fakulteten(Swepub:liu)evaka12 (author)
  • Fahlman, Mats,1967-Linköpings universitet,Laboratoriet för organisk elektronik,Tekniska fakulteten(Swepub:liu)matfa21 (author)
  • Crispin, Xavier,Professor,1972-Linköpings universitet,Laboratoriet för organisk elektronik,Tekniska fakulteten(Swepub:liu)xavcr43 (author)
  • Pavlopoulou, EleniUniv. Bordeaux, CNRS, Bordeaux INP, LCPO, Pessac, France (author)
  • Jonsson, Magnus,1981-Linköpings universitet,Laboratoriet för organisk elektronik,Tekniska fakulteten(Swepub:liu)magjo02 (author)
  • Linköpings universitetLaboratoriet för organisk elektronik (creator_code:org_t)

Related titles

  • In:Journal of Materials Chemistry A: Royal Society of Chemistry8, s. 18726-187342050-74882050-7496

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