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30 September 2024 Two-dimensionally aligned liquid-crystalline polymer coatings designed by patterned photopolymerization
Atsushi Shishido
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Proceedings Volume PC13121, Liquid Crystals XXVIII; PC1312103 (2024) https://doi.org/10.1117/12.3027528
Event: Organic Photonics + Electronics, 2024, San Diego, California, United States
Abstract
Precise control of the surface topographies of polymer coatings is crucial to developing high-performance materials and devices for a wide variety of applications, such as optical displays, micro/nanofabrication, photonic devices, and microscale actuators. Mainly, photocontrolled polymer surfaces, such as photoinduced surface relief, have been studied through photochemical mass transport. In this study, we propose a novel method triggering the mass transport by photopolymerization of liquid crystals with structured light and demonstrate the single-step formation of microscale well and canal structures on the surface of polymer films. Such well and canal structures can be arranged in two dimensions by designing light patterns.
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Atsushi Shishido "Two-dimensionally aligned liquid-crystalline polymer coatings designed by patterned photopolymerization", Proc. SPIE PC13121, Liquid Crystals XXVIII, PC1312103 (30 September 2024); https://doi.org/10.1117/12.3027528
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KEYWORDS
Polymers
Photopolymerization
Optical coatings
Polymeric actuators
Liquid crystals
Optical surfaces
Photonic devices
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