Tailoring Polymer Coatings and Grafting Structures for Photoswitchable Ionic Transport in Solid‐State Nanochannels
Abstract: Photoresponsive ion nanochannels have gained significant attention for their ability to regulate ionic transport in response to external stimuli. The potential of molecular and polymeric architectures in the nanochannels to further enhance and modulate these behaviors, however, remains underexplored. In this work, we explore the integration of spiropyran‐based polymers into anodic aluminum oxide (AAO) nanochannels, resulting in tailored photoresponsive behaviors. Spiropyran undergoes reversible ring‐opening isomerization upon UV irradiation, which leads to changes in the packing and polarity of polymer chains within the nanochannels. The polySp‐coated and polySp‐grafted AAO systems, fabricated via solution wetting and surface‐initiated atom transfer radical polymerization (SI‐ATRP), exhibit unique macroscopic and microscopic responses, including reversible color changes, wettability adjustments, and modulation of ion transport under UV and visible light. These findings demonstrate the potential of spiropyran‐functionalized nanochannels for applications in optical information storage, photogated materials, and sensors. By manipulating molecular architecture and nanoconfinement, this work paves the way for the design of next‐generation photoswitchable systems with enhanced multifunctionality.
- Standort
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Deutsche Nationalbibliothek Frankfurt am Main
- Umfang
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Online-Ressource
- Sprache
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Englisch
- Erschienen in
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Tailoring Polymer Coatings and Grafting Structures for Photoswitchable Ionic Transport in Solid‐State Nanochannels ; day:12 ; month:03 ; year:2025 ; extent:10
Chemistry ; (12.03.2025) (gesamt 10)
- Urheber
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Chen, Yi‐Fan
Pruthi, Vaishali
Liu, Yu‐Chun
Yang, Cheng‐Yeh
Lee, Lin‐Ruei
Chang, Ming‐Hsuan
Chang, Chun‐Chi
Théato, Patrick
Chen, Jiun‐Tai
- DOI
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10.1002/asia.202401684
- URN
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urn:nbn:de:101:1-2503131323337.772510632393
- Rechteinformation
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Open Access; Der Zugriff auf das Objekt ist unbeschränkt möglich.
- Letzte Aktualisierung
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15.08.2025, 07:22 MESZ
Datenpartner
Deutsche Nationalbibliothek. Bei Fragen zum Objekt wenden Sie sich bitte an den Datenpartner.
Beteiligte
- Chen, Yi‐Fan
- Pruthi, Vaishali
- Liu, Yu‐Chun
- Yang, Cheng‐Yeh
- Lee, Lin‐Ruei
- Chang, Ming‐Hsuan
- Chang, Chun‐Chi
- Théato, Patrick
- Chen, Jiun‐Tai
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