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Dynamic Interfacial Regulation by Photodeformable Azobenzene-Containing Liquid Crystal Polymer Micro/Nanostructures
Chongyu Zhu1, Yao Lu1, Jiahao Sun1
1Department of Materials Science and State Key Laboratory of Molecular Engineering of Polymers, Fudan University, 220 Handan Road, Shanghai, 200433, China.
Langmuir : the ACS Journal of Surfaces and Colloids
|May 26, 2020
Summary
Photodeformable azobenzene-containing liquid crystal polymers (azo-LCPs) enable dynamic interface regulation. These materials can be fabricated into micro/nanostructures for tunable interfacial properties, with applications in microfluidics and biosensors.
Area of Science:
- Materials Science
- Polymer Chemistry
- Nanotechnology
Background:
- Photoresponsive materials provide external control over chemical and physical properties.
- Azobenzene-containing liquid crystal polymers (azo-LCPs) are key for dynamic interface regulation.
- Azo-LCPs can be processed into micro/nanostructures for tunable interfacial properties via light.
Purpose of the Study:
- To highlight advancements in dynamic interfacial property regulation using azo-LCP micro/nanostructures.
- To describe material preparation and processing techniques for azo-LCP micro/nanostructures.
- To discuss the role of mesogen orientation in dynamic interfacial regulation.
Main Methods:
- Fabrication of various azo-LCP micro/nanostructures.
- Characterization of material properties and photoresponsive behavior.
- Investigation of mesogen orientation effects on interfacial properties.
Main Results:
- Azo-LCPs enable reversible tuning of interfacial properties through light-induced chemical and morphological changes.
- Mesogen orientation is crucial for effective dynamic interfacial regulation.
- Developed linear azo-LCP (azo-LLCP) exhibits good mechanical and photoresponsive performance.
Conclusions:
- Photodeformable azo-LCP micro/nanostructures offer significant potential for advanced interface control.
- Further exploration of 2D/3D azo-LCP structures is needed for diverse applications.
- Potential applications include microfluidics, biosensors, and nanotherapeutics.
