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Conjugated Polyelectrolyte Blends for Highly Stable Accumulation Mode Electrochemical Transistors
Linköping University, Department of Physics, Chemistry and Biology, Biomolecular and Organic Electronics. Linköping University, Faculty of Science & Engineering.
University of Bayreuth, Germany.
University of Bayreuth, Germany.
Linköping University, Department of Science and Technology, Physics and Electronics. Linköping University, Faculty of Science & Engineering.
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2017 (English)In: Chemistry of Materials, ISSN 0897-4756, E-ISSN 1520-5002, Vol. 29, no 10, 4293-4300 p.Article in journal (Refereed) Published
Abstract [en]

Counterion exchange has been introduced as a method to modify properties of anionic conjugated poly electrolyte (CPE) blends. Blending of two self-doped CPEs having metallic and semiconducting behavior has been achieved from two different solvents, by exchanging the counterion of the metallic component. Different blending conditions lead to films exhibiting different optical properties, depending on the aggregation states of the CPEs. Conductance responses for the blends showed the opportunity to tune threshold voltage of the films both by blending and counterion exchange. Therefore, the blends have been exploited for the fabrication of accumulation mode organic electrochemical transistors. These devices exhibit short switching times and high transconductance, up to 15.3 rnS, as well as high stability upon fast pulsed cycles, retaining 88% of the drain currents after 2 x 10(3) cycles.

Place, publisher, year, edition, pages
AMER CHEMICAL SOC , 2017. Vol. 29, no 10, 4293-4300 p.
National Category
Materials Chemistry
Identifiers
URN: urn:nbn:se:liu:diva-138916DOI: 10.1021/acs.chemmater.7b00474ISI: 000402498000018OAI: oai:DiVA.org:liu-138916DiVA: diva2:1115841
Note

Funding Agencies|Knut and Alice Wallenberg foundation through a Wallenberg Scholar grant; DFG [GRK 1640]; Elite Study programme, Macromolecular Science at the University of Bayreuth

Available from: 2017-06-27 Created: 2017-06-27 Last updated: 2017-06-27

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CiteExportLink to record
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