Journal
JOURNAL OF POLYMER SCIENCE
Volume 60, Issue 3, Pages 377-392Publisher
WILEY
DOI: 10.1002/pol.20210503
Keywords
organic electrochemical transistors; molecular design strategy; backbone design; side chain engineering
Categories
Funding
- National Natural Science Foundation of China [22075001]
- Open Fund of the State Key Laboratory of Luminescent Materials and Devices (South China University of Technology) [2021-skllmd-02]
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This article discusses the operation principles, performance evaluations, and polymerization methods of OECTs, emphasizing the importance of developing novel high-performance polymeric semiconductors. The molecular design strategies for high-performance OECT materials, as well as the characteristics and effects of backbone design and side chain engineering, are analyzed. There are still neglected and unsolved issues in the field, with ongoing research and development needed for the future of OECTs.
Organic electrochemical transistors (OECTs) utilize ion flow from the electrolyte to modulate the electrical conductivity of the whole bulk organic semiconductor channel. With the characteristic of mixed ionic-electronic conducting in the entire volume, OECTs exhibit high transconductance and act as good transducers, particularly in bioelectronics. To gain high-performance OECTs, developing novel high-performance polymeric semiconductors is important. In this article, operation principles, performance evaluations, and polymerization methods are first discussed. We then analyze the molecular design strategies for high-performance OECT materials and highlight the characteristics and effects of backbone design and side chain engineering. Finally, we discuss some neglected and unsolved issues and provide an outlook for the OECTs research and development.
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