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Sensors 2019, 19(2), 218; https://doi.org/10.3390/s19020218

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

1,2
,
1,3
,
1,3
and
1,3,*
1
State Key Laboratory of Marine Resource Utilization in South China Sea, Hainan University, Haikou 570228, China
2
College of Ecology and Environment, Hainan University, Haikou 570228, China
3
College of Materials and Chemical Engineering, Hainan University, Haikou 570228, China
*
Author to whom correspondence should be addressed.
Received: 3 December 2018 / Revised: 29 December 2018 / Accepted: 5 January 2019 / Published: 9 January 2019
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Abstract

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 surface. This mini review introduced the new developments in chemical and biological detection of the two sensing interfaces. Specific focus was given on the modification technological approaches of the gate or channel surface. In particular, some unique strategies and surface designs aiming to facilitate signal-transduction and amplification were discussed. Several perspectives and current challenges of OECTs development were also briefly summarized. View Full-Text
Keywords: organic electrochemical transistors; interface functionalization; chemical sensors; biosensors organic electrochemical transistors; interface functionalization; chemical sensors; biosensors
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Liao, J.; Si, H.; Zhang, X.; Lin, S. Functional Sensing Interfaces of PEDOT:PSS Organic Electrochemical Transistors for Chemical and Biological Sensors: A Mini Review. Sensors 2019, 19, 218.

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