Nanoscale ion-doped polymer transistors

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Title: Nanoscale ion-doped polymer transistors
Authors: Thiburce, Q
Giovannitti, A
McCulloch, I
Campbell, AJ
Item Type: Journal Article
Abstract: Organic transistors with submicron dimensions have been shown to deviate from the expected behaviour due to a variety of so-called 'short-channel' effects, resulting in nonlinear output characteristics and a lack of current saturation, considerably limiting their use. Here, using an electrochemically-doped polymer in which ions are dynamically injected and removed from the bulk of the semiconductor, we show that devices with nanoscale channel lengths, down to 50 nm, exhibit output curves with well-defined linear and saturation regimes. Additionally, they show very large on-currents on par with their microscale counterparts, large on-to-off ratios of 108, and record-high width-normalised transconductances above 10 S m-1. We believe this work paves the way for the fabrication of high-gain, high-current polymer integrated circuits such as sensor arrays operating at voltages below |1 V| and prepared using simple solution processing methods.
Issue Date: 13-Mar-2019
Date of Acceptance: 5-Feb-2019
URI: http://hdl.handle.net/10044/1/67484
DOI: https://doi.org/10.1021/acs.nanolett.8b04717
ISSN: 1530-6984
Publisher: American Chemical Society
Start Page: 1712
End Page: 1718
Journal / Book Title: Nano Letters
Volume: 19
Issue: 3
Copyright Statement: © 2019 American Chemical Society. This document is the Accepted Manuscript version of a Published Work that appeared in final form in Nano Letters, after peer review and technical editing by the publisher. To access the final edited and published work see https://dx.doi.org/10.1021/acs.nanolett.8b04717
Sponsor/Funder: Commission of the European Communities
Funder's Grant Number: 607896
Keywords: Science & Technology
Physical Sciences
Technology
Chemistry, Multidisciplinary
Chemistry, Physical
Nanoscience & Nanotechnology
Materials Science, Multidisciplinary
Physics, Applied
Physics, Condensed Matter
Chemistry
Science & Technology - Other Topics
Materials Science
Physics
Organic electronics
conjugated polymer
large transconductance
organic electrochemical transistor (OECT)
ion gel
short-channel transistor
THIN-FILM TRANSISTORS
FIELD-EFFECT TRANSISTORS
NM CHANNEL-LENGTH
LOW-VOLTAGE
ORGANIC TRANSISTORS
GATE DIELECTRICS
CAPACITANCE
OPERATION
TRANSPORT
CIRCUITS
Organic electronics
conjugated polymer
ion gel
large transconductance
organic electrochemical transistor (OECT)
short-channel transistor
Nanoscience & Nanotechnology
Publication Status: Published
Conference Place: United States
Embargo Date: 2020-02-05
Online Publication Date: 2019-02-05
Appears in Collections:Physics
Chemistry
Experimental Solid State
Faculty of Natural Sciences



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