Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/146138
Title: Contact modulated ionic transfer doping in all-solid-state organic electrochemical transistor for ultra-high sensitive tactile perception at low operating voltage
Authors: Chen, Shuai
Surendran, Abhijith
Wu, Xihu
Leong, Wei Lin 
Keywords: Engineering::Electrical and electronic engineering
Issue Date: 2020
Source: Chen, S., Surendran, A., Wu, X. & Leong, W. L. (2020). Contact modulated ionic transfer doping in all-solid-state organic electrochemical transistor for ultra-high sensitive tactile perception at low operating voltage. Advanced Functional Materials, 30(51), 2006186-. https://dx.doi.org/10.1002/adfm.202006186
Project: M4081866
2018-T2-1-075
A1784c019
Journal: Advanced Functional Materials
Abstract: Ionic-electronic coupling across the entire volume of conjugated polymer films endows organic electrochemical transistors (OECTs) with high transconductance and low operating voltage. However, OECTs utilize liquid electrolytes, which limit their long-term operation, reproducibility, and integration while solid electrolytes typically result in inefficient ion transport. Here we show that a solid polymer electrolyte, can facilitate good electrochemical response in conjugated polymers and yield high OECT performance. This allows for the OECT based pressure sensors, modulated through a pressure sensitive ionic doping process. The pressure sensor exhibits the highest sensitivity ever measured (~10000 kPa-1) and excellent stability. Flexible sensor arrays realize a static capture of spatial pressure distribution and enable monitoring of dynamic pressure stimuli. Our findings demonstrate that all-solid-state OECTs are good candidates for providing rich tactile information, enabling applications for soft robotics, health monitoring and human-machine interfaces.
URI: https://hdl.handle.net/10356/146138
ISSN: 1616-301X
DOI: 10.1002/adfm.202006186
DOI (Related Dataset): 10.21979/N9/NFVTXX
Schools: School of Electrical and Electronic Engineering 
Research Centres: Centre for Micro-/Nano-electronics (NOVITAS) 
Rights: This is the accepted version of the following article: Chen, S., Surendran, A., Wu, X., & Leong, W. L. (2020). Contact modulated ionic transfer doping in all-solid-state organic electrochemical transistor for ultra-high sensitive tactile perception at low operating voltage. Advanced Functional Materials, 30(51), 2006186-. doi: 10.1002/adfm.202006186., which has been published in final form at https://doi.org/10.1002/adfm.202006186. This article may be used for non-commercial purposes in accordance with the Wiley Self-Archiving Policy.[https://authorservices.wiley.com/authorresources/Journal-Authors/licensing/self-archiving.html].
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:EEE Journal Articles

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