期刊
SMALL STRUCTURES
卷 2, 期 1, 页码 -出版社
WILEY
DOI: 10.1002/sstr.202000107
关键词
liquid crystal polymers; particles mitigation; responsive cilia; switchable surface topographies
资金
- European Research Council [66999]
- NWO VENI grant [15135]
This article discusses the recent research progress on switchable surfaces made of liquid crystal polymers, exploring their principles and applications, as well as future possibilities and challenges in using dynamic coatings with switchable surface topographies.
Surface coatings, as interfaces between functional devices and targeted objects, are critical in the performance of functional devices. Switchable topographies bring opportunities to regulate the functionality of surfaces, ranging from morphing and controllable friction to object lifting and debris removal. Various responsive materials have been investigated to develop switchable surfaces, among which liquid crystal (LC) polymers are attractive candidates due to their anisotropic properties. Herein, focus is put on recent reports of switchable surfaces made of LC polymers. The principle of actuation of LC polymer-based switchable surfaces is introduced, with following exemplary applications derived from these responsive surfaces in the field of surface morphing, switchable surface friction, and moving/lifting of objects. Finally, future possible applications of and challenges in using dynamic coatings with switchable surface topographies are discussed.
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