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Manipulation of Structural Colors in Liquid-Crystal Helical Structures Deformed by Surface Controls

Title
Manipulation of Structural Colors in Liquid-Crystal Helical Structures Deformed by Surface Controls
Authors
Lim, Chae RiBae, Soo YeonJeong, Soon MoonHa, Na Young
DGIST Authors
Jeong, Soon Moon
Issue Date
2018-04
Citation
ACS Applied Materials and Interfaces, 10(14), 12060-12065
Type
Article
Article Type
Article
Keywords
Simultaneous RedLightReflectionGreenBandMicrolensesDisplaysFilms
ISSN
1944-8244
Abstract
Structural colors from cholesteric liquid crystals (CLCs) are manipulated by changing the only surface anchoring energy of an alignment layer. This behavior comes from the fact that weak surface energy of the perfluoropolymer induces the tilting of the cholesteric helix. Such deformed CLC structures with durability are successfully demonstrated without any external field applications and additional solidification processes. In addition, electrical tunings of structural colors from the deformed CLCs occur at very low operating voltages, compared to those of conventional CLC structures. On the basis of easy and simple fabrication, high durability, electrical tunability at low operating voltages, and the unique optical characteristics, the new deformed CLC structure could lead to extension in applications of CLCs, including multifunctional sensors, displays, and lasers. © 2018 American Chemical Society.
URI
http://hdl.handle.net/20.500.11750/6252
DOI
10.1021/acsami.8b03456
Publisher
AMER CHEMICAL SOC
Related Researcher
Files:
There are no files associated with this item.
Collection:
Smart Textile Convergence Research Group1. Journal Articles


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