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Organic Electrochemical Transistors (OECTs) Toward Flexible and Wearable Bioelectronics

Organic electronics have emerged as a fascinating area of research and technology in the past two decades and are anticipated to replace classic inorganic semiconductors in many applications. Research on organic light-emitting diodes, organic photovoltaics, and organic thin-film transistors is alrea...

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Autores principales: Marquez, Ariana Villarroel, McEvoy, Niall, Pakdel, Amir
Formato: Online Artículo Texto
Lenguaje:English
Publicado: MDPI 2020
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7698176/
https://www.ncbi.nlm.nih.gov/pubmed/33202778
http://dx.doi.org/10.3390/molecules25225288
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author Marquez, Ariana Villarroel
McEvoy, Niall
Pakdel, Amir
author_facet Marquez, Ariana Villarroel
McEvoy, Niall
Pakdel, Amir
author_sort Marquez, Ariana Villarroel
collection PubMed
description Organic electronics have emerged as a fascinating area of research and technology in the past two decades and are anticipated to replace classic inorganic semiconductors in many applications. Research on organic light-emitting diodes, organic photovoltaics, and organic thin-film transistors is already in an advanced stage, and the derived devices are commercially available. A more recent case is the organic electrochemical transistors (OECTs), whose core component is a conductive polymer in contact with ions and solvent molecules of an electrolyte, thus allowing it to simultaneously regulate electron and ion transport. OECTs are very effective in ion-to-electron transduction and sensor signal amplification. The use of synthetically tunable, biocompatible, and depositable organic materials in OECTs makes them specially interesting for biological applications and printable devices. In this review, we provide an overview of the history of OECTs, their physical characterization, and their operation mechanism. We analyze OECT performance improvements obtained by geometry design and active material selection (i.e., conductive polymers and small molecules) and conclude with their broad range of applications from biological sensors to wearable devices.
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spelling pubmed-76981762020-11-29 Organic Electrochemical Transistors (OECTs) Toward Flexible and Wearable Bioelectronics Marquez, Ariana Villarroel McEvoy, Niall Pakdel, Amir Molecules Review Organic electronics have emerged as a fascinating area of research and technology in the past two decades and are anticipated to replace classic inorganic semiconductors in many applications. Research on organic light-emitting diodes, organic photovoltaics, and organic thin-film transistors is already in an advanced stage, and the derived devices are commercially available. A more recent case is the organic electrochemical transistors (OECTs), whose core component is a conductive polymer in contact with ions and solvent molecules of an electrolyte, thus allowing it to simultaneously regulate electron and ion transport. OECTs are very effective in ion-to-electron transduction and sensor signal amplification. The use of synthetically tunable, biocompatible, and depositable organic materials in OECTs makes them specially interesting for biological applications and printable devices. In this review, we provide an overview of the history of OECTs, their physical characterization, and their operation mechanism. We analyze OECT performance improvements obtained by geometry design and active material selection (i.e., conductive polymers and small molecules) and conclude with their broad range of applications from biological sensors to wearable devices. MDPI 2020-11-13 /pmc/articles/PMC7698176/ /pubmed/33202778 http://dx.doi.org/10.3390/molecules25225288 Text en © 2020 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).
spellingShingle Review
Marquez, Ariana Villarroel
McEvoy, Niall
Pakdel, Amir
Organic Electrochemical Transistors (OECTs) Toward Flexible and Wearable Bioelectronics
title Organic Electrochemical Transistors (OECTs) Toward Flexible and Wearable Bioelectronics
title_full Organic Electrochemical Transistors (OECTs) Toward Flexible and Wearable Bioelectronics
title_fullStr Organic Electrochemical Transistors (OECTs) Toward Flexible and Wearable Bioelectronics
title_full_unstemmed Organic Electrochemical Transistors (OECTs) Toward Flexible and Wearable Bioelectronics
title_short Organic Electrochemical Transistors (OECTs) Toward Flexible and Wearable Bioelectronics
title_sort organic electrochemical transistors (oects) toward flexible and wearable bioelectronics
topic Review
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7698176/
https://www.ncbi.nlm.nih.gov/pubmed/33202778
http://dx.doi.org/10.3390/molecules25225288
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