Organic Electronic Devices
- Yui Sasaki
Yui Sasaki
Research Center for Advanced Science and Technology, The University of Tokyo, 4-6-1, Komaba, Meguro-ku 153-8904, Tokyo, Japan
Institute of Industrial Science, The University of Tokyo, 4-6-1 Komaba, Meguro-ku 153-8505, Tokyo, Japan
JST, PRESTO, 4-1-8 Honcho, Kawaguchi 332-0012, Saitama, Japan
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- Tsuyoshi Minami*
Tsuyoshi Minami
Institute of Industrial Science, The University of Tokyo, 4-6-1 Komaba, Meguro-ku 153-8505, Tokyo, Japan
*Email: [emailprotected]
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ACS Applied Materials & Interfaces
Cite this: ACS Appl. Mater. Interfaces 2025, XXXX, XXX, XXX-XXX
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https://pubs.acs.org/doi/10.1021/acsami.5c00297
Published April 25, 2025
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Abstract
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Chemical modification of self-assembled monolayers (SAMs) at the solid–liquid interface can effectively impart SAMs with desired functions on demand. However, appropriate methods to monitor organic reactions at the solid–liquid interface have not yet been established. Therefore, this perspective introduces an extended-gate type organic field-effect transistor (EG-OFET)-based detector to monitor chemical reactions at the interface between SAMs on the extended-gate electrode of the OFET and an aqueous solution containing reactants. The EG-OFET is operated by applying gate voltages, enabling the monitoring of organic reactions on the extended-gate electrode through changes in transistor characteristics. Leveraging its amplification ability, the EG-OFET enables the sensitive detection of slight differences in product properties accompanied by variations in the charge and/or dipole moment of the SAM caused by chemical reactions at the interface. This perspective summarizes strategies, including those combined with chemometrics and microfluidic technologies, for monitoring irreversible and reversible chemical reactions at the solid–liquid interface.
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© 2025 American Chemical Society
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- Chemical reactions
- Electrodes
- Interfaces
- Oxidation
- Transistors
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ACS Applied Materials & Interfaces
Cite this: ACS Appl. Mater. Interfaces 2025, XXXX, XXX, XXX-XXX
Click to copy citationCitation copied!
Published April 25, 2025
Publication History
Received
Accepted
Revised
Published
online
© 2025 American Chemical Society
Request reuse permissions
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