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  • Untilova, ViktoriiaUniversité de Strasbourg,University of Strasbourg (author)

High Thermoelectric Power Factor of Poly(3-hexylthiophene) through In-Plane Alignment and Doping with a Molybdenum Dithiolene Complex

  • Article/chapterEnglish2020

Publisher, publication year, extent ...

  • 2020-07-23
  • American Chemical Society (ACS),2020
  • electronicrdacarrier

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  • LIBRIS-ID:oai:research.chalmers.se:593b8ab0-e12f-4645-b26f-82b0f63b3b58
  • https://doi.org/10.1021/acs.macromol.0c01223DOI
  • https://research.chalmers.se/publication/518546URI

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  • Language:English
  • Summary in:English

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

Notes

  • We report a record thermoelectric power factor of up to 160 μW m-1 K-2 for the conjugated polymer poly(3-hexylthiophene) (P3HT). This result is achieved through the combination of high-temperature rubbing of thin films together with the use of a large molybdenum dithiolene p-dopant with a high electron affinity. Comparison of the UV-vis-NIR spectra of the chemically doped samples to electrochemically oxidized material reveals an oxidation level of 10%, i.e., one polaron for every 10 repeat units. The high power factor arises due to an increase in the charge-carrier mobility and hence electrical conductivity along the rubbing direction. We conclude that P3HT, with its facile synthesis and outstanding processability, should not be ruled out as a potential thermoelectric material. ©

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

  • Hynynen, Jonna,1987Chalmers tekniska högskola,Chalmers University of Technology(Swepub:cth)jonhy (author)
  • Hofmann, Anna,1987Chalmers tekniska högskola,Chalmers University of Technology(Swepub:cth)hofanna (author)
  • Scheunemann, Dorothea,1985Chalmers tekniska högskola,Chalmers University of Technology(Swepub:cth)dorsche (author)
  • Zhang, YadongGeorgia Institute of Technology (author)
  • Barlow, StephenGeorgia Institute of Technology (author)
  • Kemerink, M.Ruprecht-Karls-Universität Heidelberg,Heidelberg University (author)
  • Marder, Seth R.Georgia Institute of Technology (author)
  • Biniek, LaureUniversité de Strasbourg,University of Strasbourg (author)
  • Müller, Christian,1980Chalmers tekniska högskola,Chalmers University of Technology(Swepub:cth)cmuller (author)
  • Brinkmann, MartinUniversité de Strasbourg,University of Strasbourg (author)
  • Université de StrasbourgChalmers tekniska högskola (creator_code:org_t)

Related titles

  • In:Macromolecules: American Chemical Society (ACS)53:15, s. 6314-63211520-58350024-9297

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