The Non-Ideal Organic Electrochemical Transistors Impedance

Pecqueur, Sébastien; Lončaric, Ivor; Zlatić, Vinko; Vuillaume, Dominique; Crljen, Željko

Document type :

Article dans une revue scientifique

DOI :

10.1016/j.orgel.2019.05.001

Title :

The Non-Ideal Organic Electrochemical Transistors Impedance

Author(s) :

Pecqueur, Sébastien [Auteur]
Nanostructures, nanoComponents & Molecules - IEMN [NCM - IEMN]
Institut d’Électronique, de Microélectronique et de Nanotechnologie - UMR 8520 [IEMN]
Lončaric, Ivor [Auteur]
Zlatić, Vinko [Auteur]
Vuillaume, Dominique [Auteur]
Nanostructures, nanoComponents & Molecules - IEMN [NCM - IEMN]
Institut d’Électronique, de Microélectronique et de Nanotechnologie - UMR 8520 [IEMN]
Crljen, Željko [Auteur]

Journal title :

Organic Electronics

Pages :

14-23

Publisher :

Elsevier

Publication date :

2019-08-31

ISSN :

1566-1199

HAL domain(s) :

Physique [physics]
Physique [physics]/Matière Condensée [cond-mat]

English abstract : [en]

Organic electrochemical transistors offer powerful functionalities for biosensors and neuroinspired electronics, with still much to understand on the time dependent behavior of this electrochemical device. Here, we report ...
Show more >Organic electrochemical transistors offer powerful functionalities for biosensors and neuroinspired electronics, with still much to understand on the time dependent behavior of this electrochemical device. Here, we report on distributed element modeling of the impedance of such microfabricated device, systematically performed under a large concentration variation for KCl(aq) and CaCl2(aq). We propose a new model which takes into account three main deviations to ideality, that were systematically observed, caused by both the materials and the device complexity, over large frequency range (1 Hz to 1 MHz). More than introducing more freedom degree, the introduction of these non redundant parameters and the study of their behaviors as function of the electrolyte concentration and applied voltage give a more detailed picture of the OECT working principles. This optimized model can be further useful for improving OECT performances in many applications (e.g. biosensors, neuroinspired devices) and circuit simulations.Show less >

Language :

Anglais

Peer reviewed article :

Oui

Audience :

Internationale

Popular science :

Non

Comment :

Full paper with supporting information

Collections :

Institut d'Électronique, de Microélectronique et de Nanotechnologie (IEMN) - UMR 8520

Source :

Harvested from HAL

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1905.01497
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