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Organic electrochemical transistors from supramolecular complexes of conjugated polyelectrolyte PEDOTS
Linköping University, Department of Science and Technology, Physics and Electronics. Linköping University, Faculty of Science & Engineering.
Linköping University, Department of Science and Technology, Physics and Electronics. Linköping University, Faculty of Science & Engineering.ORCID iD: 0000-0001-8478-4663
Linköping University, Department of Physics, Chemistry and Biology, Biomolecular and Organic Electronics. Linköping University, Faculty of Science & Engineering.
Linköping University, Department of Physics, Chemistry and Biology, Biomolecular and Organic Electronics. Linköping University, Faculty of Science & Engineering.
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2019 (English)In: Journal of Materials Chemistry C, ISSN 2050-7526, E-ISSN 2050-7534, Vol. 7, no 10, p. 2987-2993Article in journal (Refereed) Published
Abstract [en]

Counterion exchange strategies are used to modify the hydrophilic character of the self-doped conjugated polyelectrolyte PEDOTS. The supramolecular complexes, soluble in organic solvents, are suitable to fabricate finely performing thin active layers in organic electrochemical transistors (OECTs). We demonstrate that ionic transport in these PEDOTS based complexes, thus their performance in OECT devices, is governed by a delicate balance among degree of doping, wettability and porosity, which can be controlled by a precise tuning of the polyelectrolyte/hydrophobic counterion ratio. We also show that the device operation can be modulated by varying the composition of the aqueous electrolyte in a range compatible with biological processes, making these materials suitable candidates to be interfaced with living cells.

Place, publisher, year, edition, pages
ROYAL SOC CHEMISTRY , 2019. Vol. 7, no 10, p. 2987-2993
National Category
Materials Chemistry
Identifiers
URN: urn:nbn:se:liu:diva-156099DOI: 10.1039/c8tc05774eISI: 000461597400018OAI: oai:DiVA.org:liu-156099DiVA, id: diva2:1302141
Note

Funding Agencies|Knut and Alice Wallenberg foundation, through a Wallenberg Scholar grant; Advanced Functional Materials (AFM) at Linkoping University a Swedish Government Strategic Research Area

Available from: 2019-04-03 Created: 2019-04-03 Last updated: 2019-04-03

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Musumeci, ChiaraVagin, MikhailZeglio, EricaOuyang, LiangqiGabrielsson, RogerInganäs, Olle
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Journal of Materials Chemistry C
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