Recent technological advances in fabrication and application of organic electrochemical transistors

• Main Authors: Chen, Shuai, Surendran, Abhijith, Wu, Xihu, Lee, Sang Yeon, Stephen, Meera, Leong, Wei Lin
• Other Authors: School of Electrical and Electronic Engineering
• Format: Article
• Language: English
• Published: 2021
• Subjects: Science::Chemistry::Organic chemistry; Engineering::Materials::Organic/Polymer electronics; Biological Sensors; Conjugated Polymers
• Online Access: https://hdl.handle.net/10356/146140
• Institution: Nanyang Technological University

Organic electrochemical transistors (OECTs), where conjugated polymers undergo doping/ de-doping from an electrolyte, have been widely studied for applications ranging from switching elements, artificial synapses to transducers for biological sensing. The concurrent transport of electronic and ionic charges within the channel provide OECTs with excellent amplification capability and efficient ion-to-electron transduction at low operating voltages (<1V). Herein, the latest research advances in the fabrication techniques and applications of OECTs are summarized. Particular focus is given on the emerging applications including sensors, neuromorphic devices and electrophysiological monitoring. Finally, the future challenges and opportunities of conventional OECTs and novel all-solid-state OECTs are discussed.