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Fast-switching all-printed organic electrochemical transistors
RISE, Swedish ICT, Acreo.ORCID iD: 0000-0002-4575-0193
RISE, Swedish ICT, Acreo.ORCID iD: 0000-0002-4388-8463
RISE, Swedish ICT, Acreo. Lintec Corporation, Japan; Linköping University, Sweden.
RISE, Swedish ICT, Acreo.
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2013 (English)In: Organic electronics, ISSN 1566-1199, E-ISSN 1878-5530, Vol. 14, no 5, p. 1276-80Article in journal (Refereed) Published
Abstract [en]

Symmetric fast (ˆ¼5 ms) on-to-off off-to-on drain current switching characteristics have been obtained in screen printed organic electrochemical transistors (OECTs) including PEDOT:PSS (poly(3,4-ethylenedioxythiophene) doped with poly(styrene sulfonic acid)) as the active transistor channel material. Improvement of the drain current switching characteristics is made possible by including a carbon conductor layer on top of PEDOT:PSS at the drain electrode that is in direct contact with both the channel the electrolyte of the OECT. This carbon conductor layer suppresses the effects from a reduction front that is generated in these PEDOT:PSS-based OECTs. In the off-state of these devices this reduction front slowly migrate laterally into the PEDOT:PSS drain electrode, which make off-to-on switching slow. The OECT including carbon electrodes was manufactured using only standard printing process steps may pave the way for fully integrated organic electronic systems that operate at low voltages for applications such as logic circuits, sensors active matrix addressed displays.

Place, publisher, year, edition, pages
2013. Vol. 14, no 5, p. 1276-80
National Category
Computer and Information Sciences
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URN: urn:nbn:se:ri:diva-31998DOI: 10.1016/j.orgel.2013.02.027Scopus ID: 2-s2.0-84875351694OAI: oai:DiVA.org:ri-31998DiVA, id: diva2:1151856
Available from: 2017-10-24 Created: 2017-10-24 Last updated: 2024-03-03Bibliographically approved

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Andersson Ersman, PeterNilsson, David

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