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High Thermoelectric...
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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 ...
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2020-07-23
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American Chemical Society (ACS),2020
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electronicrdacarrier
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LIBRIS-ID:oai:research.chalmers.se:593b8ab0-e12f-4645-b26f-82b0f63b3b58
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https://doi.org/10.1021/acs.macromol.0c01223DOI
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https://research.chalmers.se/publication/518546URI
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Language:English
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Summary in:English
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Subject category:art swepub-publicationtype
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Subject category:ref swepub-contenttype
Notes
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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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Hynynen, Jonna,1987Chalmers tekniska högskola,Chalmers University of Technology(Swepub:cth)jonhy
(author)
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Hofmann, Anna,1987Chalmers tekniska högskola,Chalmers University of Technology(Swepub:cth)hofanna
(author)
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Scheunemann, Dorothea,1985Chalmers tekniska högskola,Chalmers University of Technology(Swepub:cth)dorsche
(author)
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Zhang, YadongGeorgia Institute of Technology
(author)
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Barlow, StephenGeorgia Institute of Technology
(author)
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Kemerink, M.Ruprecht-Karls-Universität Heidelberg,Heidelberg University
(author)
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Marder, Seth R.Georgia Institute of Technology
(author)
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Biniek, LaureUniversité de Strasbourg,University of Strasbourg
(author)
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Müller, Christian,1980Chalmers tekniska högskola,Chalmers University of Technology(Swepub:cth)cmuller
(author)
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Brinkmann, MartinUniversité de Strasbourg,University of Strasbourg
(author)
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Université de StrasbourgChalmers tekniska högskola
(creator_code:org_t)
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In:Macromolecules: American Chemical Society (ACS)53:15, s. 6314-63211520-58350024-9297
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Kemerink, M.
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