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Dip Coating of Water‐Resistant PEDOT:PSS Films Based on Physical Crosslinking
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- Shunsuke Yamamoto
- Graduate School of Engineering Tohoku University 6‐6‐11, Aramaki, Aoba Sendai 980‐8579 Japan
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- Ryusei Miyako
- Graduate School of Engineering Tohoku University 6‐6‐11, Aramaki, Aoba Sendai 980‐8579 Japan
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- Ryota Maeda
- Graduate School of Engineering Tohoku University 6‐6‐11, Aramaki, Aoba Sendai 980‐8579 Japan
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- Yuya Ishizaki
- Graduate School of Engineering Tohoku University 6‐6‐11, Aramaki, Aoba Sendai 980‐8579 Japan
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- Masaya Mitsuishi
- Graduate School of Engineering Tohoku University 6‐6‐11, Aramaki, Aoba Sendai 980‐8579 Japan
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Description
<jats:title>Abstract</jats:title><jats:p>Water‐resistant poly(3,4‐ethylenedioxythiophene):poly(styrene sulfonate) (PEDOT:PSS) films are valuable in biomedical applications; however, they typically require crosslinkers to stabilize the films, which can introduce undesired aggregation or phase separation reactions. Herein, a dipping‐based process to prepare PEDOT:PSS films on nonplanar surfaces without crosslinker is developed. Sequential soaking of a dip‐coated PEDOT:PSS film in ethanol and water imparts water resistance to the film. Microscopic and spectroscopic techniques are used to monitor the process and confirm that the ethanol soaking elutes the excess PSS from the film bulk, which stabilizes the film prior to the water‐soaking process. The obtained films act as conductors and semiconductors on curved surfaces, including 3D‐printed objects. A film deposited on a curved surface is successfully applied as the channel layer in a neuromorphic organic electrochemical transistor. This approach can enable integrated bioelectronic and neuromorphic applications that can be readily deployed for facile prototyping.</jats:p>
Journal
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- Macromolecular Materials and Engineering
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Macromolecular Materials and Engineering 308 (10), 2300247-, 2023-09-04
Wiley
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Keywords
Details 詳細情報について
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- CRID
- 1360021390761346944
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- ISSN
- 14392054
- 14387492
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- Article Type
- journal article
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- Data Source
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- Crossref
- KAKEN
- OpenAIRE