An Evolvable Organic Electrochemical Transistor for Neuromorphic Applications

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Gerasimov, JenniferLinköpings universitet,Fysik och elektroteknik,Tekniska fakulteten (author)

An Evolvable Organic Electrochemical Transistor for Neuromorphic Applications

Article/chapterEnglish2019

Publisher, publication year, extent ...

2019-02-04
Wiley-VCH Verlagsgesellschaft,2019
electronicrdacarrier

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LIBRIS-ID:oai:DiVA.org:liu-156560
https://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-156560URI
https://doi.org/10.1002/advs.201801339DOI

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Language:English
Summary in:English

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Subject category:ref swepub-contenttype
Subject category:art swepub-publicationtype

Notes

Funding Agencies|Knut and Alice Wallenberg Foundation [2012.0302]; VINNOVA [2015-04859]; Swedish Research Council [2016-03979]; Swedish Foundation for Strategic Research (BioCom Lab) [RIT15-0119]; Marie Sklodowska Curie Individual Fellowship (MSCA-IF-EF-ST, Trans-Plant) [702641]
An evolvable organic electrochemical transistor (OECT), operating in the hybrid accumulation-depletion mode is reported, which exhibits short-term and long-term memory functionalities. The transistor channel, formed by an electropolymerized conducting polymer, can be formed, modulated, and obliterated in situ and under operation. Enduring changes in channel conductance, analogous to long-term potentiation and depression, are attained by electropolymerization and electrochemical overoxidation of the channel material, respectively. Transient changes in channel conductance, analogous to short-term potentiation and depression, are accomplished by inducing nonequilibrium doping states within the transistor channel. By manipulating the input signal, the strength of the transistor response to a given stimulus can be modulated within a range that spans several orders of magnitude, producing behavior that is directly comparable to short- and long-term neuroplasticity. The evolvable transistor is further incorporated into a simple circuit that mimics classical conditioning. It is forecasted that OECTs that can be physically and electronically modulated under operation will bring about a new paradigm of machine learning based on evolvable organic electronics.

Subject headings and genre

TEKNIK OCH TEKNOLOGIER Kemiteknik Annan kemiteknik hsv//swe
ENGINEERING AND TECHNOLOGY Chemical Engineering Other Chemical Engineering hsv//eng
conducting polymers; evolvable electronics; neuromorphic; organic electrochemical transistors; organic electronics

Added entries (persons, corporate bodies, meetings, titles ...)

Karlsson, Roger H,1978-Linköpings universitet,Laboratoriet för organisk elektronik,Tekniska fakulteten(Swepub:liu)rogka92 (author)
Forchheimer, RobertLinköpings universitet,Informationskodning,Tekniska fakulteten(Swepub:liu)robfo65 (author)
Stavrinidou, EleniLinköpings universitet,Fysik och elektroteknik,Tekniska fakulteten(Swepub:liu)elest58 (author)
Simon, Daniel T,1978-Linköpings universitet,Laboratoriet för organisk elektronik,Tekniska fakulteten(Swepub:liu)dansi08 (author)
Berggren, Magnus,1968-Linköpings universitet,Laboratoriet för organisk elektronik,Tekniska fakulteten(Swepub:liu)magbe98 (author)
Fabiano, SimoneLinköpings universitet,Fysik och elektroteknik,Tekniska fakulteten(Swepub:liu)simfa84 (author)
Linköpings universitetFysik och elektroteknik (creator_code:org_t)

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In:Advanced Science: Wiley-VCH Verlagsgesellschaft6:72198-3844

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