Results 41 to 50 of about 1,843 (208)

Functional Sensing Interfaces of PEDOT:PSS Organic Electrochemical Transistors for Chemical and Biological Sensors: A Mini Review

Sensors, 2019
Organic electrochemical transistors (OECTs) are promising devices for applications in in vitro and in vivo measurements. OECTs have two important sensing interfaces for signal monitoring: One is the gate electrode surface; the other is the channel ...
Jianjun Liao, Hewei Si, Xidong Zhang, Shiwei Lin   +3 more
doaj   +1 more source

Water stable molecular n-doping produces organic electrochemical transistors with high transconductance and record stability

Nature Communications, 2020
Improving electron transport and stability of n-type organic electrochemical transistors (OECTs) is required to realize a commercially-viable technology for bioelectronics applications.
Alexandra F. Paterson, Achilleas Savva, Shofarul Wustoni, Leonidas Tsetseris, Bryan D. Paulsen, Hendrik Faber, Abdul Hamid Emwas, Xingxing Chen, Georgios Nikiforidis, Tania C. Hidalgo, Maximillian Moser, Iuliana Petruta Maria, Jonathan Rivnay, Iain McCulloch, Thomas D. Anthopoulos, Sahika Inal   +15 more
doaj   +1 more source

PEDOT:PSS OECTs as versatile devices for real-time monitoring of cytotoxicity and viral infection

, 2023
Semiconducting polymers are promising materials for biomedical application due to their ability to conduct both ions and electrons, their biocompatibility and their flexible and soft mechanical nature. In particular, poly(3,4-ethylenedioxythiophene):poly(
L. Grumiro, and B. Fraboni, C. Cacciotto, V. Sambri, C. Giovannini, M. Tessarolo, M. Calienni, A. Lavazza, D. Lelli, Francesco Decataldo, A. Scagliarini, F. Faccin, M. M. Marino, G. Dirani, M. Brandolini, F. Taddei   +15 more
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Fabrication and Use of Organic Electrochemical Transistors for Sensing of Metabolites in Aqueous Media

Applied Sciences, 2018
This review first recalls the basic functioning principles of organic electrochemical transistors (OECTs) then focuses on the transduction mechanisms applicable to OECTs.
Benoît Piro, Giorgio Mattana, Samia Zrig, Guillaume Anquetin, Nicolas Battaglini, Dany Capitao, Antoine Maurin, Steeve Reisberg   +7 more
doaj   +1 more source

Transient Charging of Mixed Ionic‐Electronic Conductors by Anomalous Diffusion

Advanced Materials, EarlyView.
This article explores charge transport in mixed ionic‐electronic conductors (MIECs) through electrochemical impedance spectroscopy and transient current analysis. Focusing on PEDOT:PSS, WO3, and n‐doped PBDF, it uncovers the impact of anomalous diffusion via fractional modeling. The study reveals key correlations that deepen understanding and guide the
Heyi Zhang, Gonzalo Rivera‐Sierra, Shirin Siahjani‐Gultekin, Jenifer Rubio‐Magnieto, Anis Allagui, Ignacio Sanjuán, David Franco, Antonio Guerrero, Enrique H. Balaguera, Juan Bisquert   +9 more
wiley   +1 more source

Ion‐Reconfigurable “N”‐Shaped Antiambipolar Behavior in Organic Electrochemical Transistors

Advanced Materials, EarlyView.
A unique N‐shaped negative differential transconductance (NDT) characteristics is demonstrated in single‐polymer organic electrochemical transistors through a sequential doping–redox–doping process driven by iodide ions. This redox‐driven mechanism enables low‐voltage, ion‐controlled reconfigurability and tunable current modulation, allowing seamless ...
Debdatta Panigrahi, Daniele Zucchelli, Zeinab Hamid, Christina Kousseff, Arup Sarkar, Aristea Pavlou, Zhitian Ling, Somayeh Kashani, Iain McCulloch, Paul W. M. Blom, Fabrizio Torricelli, Paschalis Gkoupidenis   +11 more
wiley   +1 more source

Remaining useful life prediction towards cycling stability of organic electrochemical transistors

Materials Research Express
Organic electrochemical transistors (OECTs) show abundant potential in biosensors, artificial neuromorphic systems, brain-machine interfaces, etc With the fast development of novel functional materials and new device structures, OECTs with high ...
Jie Xu, Miao Xie, Xinhao Wu, Kunshu Xiao, Yaoyu Ding, Libing Bai, Cheng-Geng Huang, Wei Huang   +7 more
doaj   +1 more source

Thin film organic electrochemical transistors based on hybrid PANI/PEDOT:PSS active layers for enhanced pH sensing

Biosensors and Bioelectronics: X, 2021
We report on organic electrochemical transistors (OECTs) with active channels made of hybrid inkjet-printed poly(3,4-ethylenedioxythiophene):polystyrene sulfonate (PEDOT:PSS) and electropolymerized polyaniline (PANI) layers, exhibiting simultaneously ...
Silvia Demuru, Brince Paul Kunnel, Danick Briand   +2 more
doaj   +1 more source

Ultrafast Vertical Organic Electrochemical Transistors With Ion‐Permeable Conductive Polymer Top Electrodes

Advanced Materials, EarlyView.
Vertical organic electrochemical transistors (vOECTs) are limited in speed by ion‐impermeable metal electrodes that slow ion injection. Using ion‐permeable PBFDO top electrodes allows direct vertical ion injection into BBL channels, achieving high current densities (>400 A cm−2), large on/off ratios (>106), and ultrafast switching in 28 µs. This sets a
Han‐Yan Wu, Yingxue An, Luigi Fabiano, Qifan Li, Qingqing Wang, Feng Zhang, Wenlong Jin, Miao Xiong, Junpeng Ji, Ugo Bruno, Grzegorz Greczynski, Grazia Maria Lucia Messina, Xianjie Liu, Chi‐Yuan Yang, Simone Fabiano   +14 more
wiley   +1 more source

Sistema de mesura multicanal basat en Transistors Orgànics Electroquímics (*OECTs) funcionalitzats amb aptàmers

, 2022
[ES] El objetivo fundamental del proyecto consiste en el diseño de un sistema electrónico que permita la medida simultánea de distintos analitos mediante Transistores Electroquímicos Orgánicos (OECTs) funcionalizados con aptámeros.
Benedicto Centeno, Jorge
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