N-type organic electrochemical transistors with stability in water

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Title: N-type organic electrochemical transistors with stability in water
Authors: Giovannitti, A
Nielsen, CN
Sbircea, DTS
Inal, SI
Donahue, MD
Niazi, MN
Hanifi, DH
Amassian, AA
Malliaras, GGM
Rivnay, JR
McCulloch, IM
Item Type: Journal Article
Abstract: Organic electrochemical transistors (OECTs) are receiving significant attention due to their ability to efficiently transduce biological signals. A major limitation of this technology is that only p-type materials have been reported, which precludes the development of complementary circuits, and limits sensor technologies. Here, we report the first ever n-type OECT, with relatively balanced ambipolar charge transport characteristics based on a polymer that supports both hole and electron transport along its backbone when doped through an aqueous electrolyte and in the presence of oxygen. This new semiconducting polymer is designed specifically to facilitate ion transport and promote electrochemical doping. Stability measurements in water show no degradation when tested for 2 h under continuous cycling. This demonstration opens the possibility to develop complementary circuits based on OECTs and to improve the sophistication of bioelectronic devices.
Issue Date: 7-Oct-2016
Date of Acceptance: 17-Aug-2016
ISSN: 2041-1723
Publisher: Nature Publishing Group
Journal / Book Title: Nature Communications
Volume: 7
Copyright Statement: This work is licensed under a Creative Commons Attribution 4.0 International License. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in the credit line; if the material is not included under the Creative Commons license, users will need to obtain permission from the license holder to reproduce the material. To view a copy of this license, visit © The Author(s) 2016
Sponsor/Funder: Commission of the European Communities
Commission of the European Communities
Commission of the European Communities
Funder's Grant Number: 604397
Keywords: MD Multidisciplinary
Publication Status: Published
Article Number: 13066
Appears in Collections:Physics
Faculty of Natural Sciences

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