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9 March 2022 Macroscopic orderliness of 2D supramolecular chiral microstructure controlled with 1D interference field
Shun-An Jiang, Chien-Hsiang Wang, Yan-Song Zhang, Chia-Rong Lee
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Proceedings Volume PC12023, Emerging Liquid Crystal Technologies XVII; PC1202305 (2022) https://doi.org/10.1117/12.2614643
Event: SPIE OPTO, 2022, San Francisco, California, United States
Abstract
The self-organized periodic micro/nano structure caused by the deformation of the stimulus responsive structure often occurs in anisotropic self-assembled supramolecular systems (such as cholesteric liquid crystal (CLC) systems). However, the long-distance ordering of these structures is often not easy to control. This investigation first demonstrates the manipulation ability of a 1D interference field on the macroscopic orderliness of the resulting 2D microgrid chiral structure via the firstly discovered photopolymerization-induced Helfrich deformation. A pre-built polymer layer in the early stage of photopolymerization continuously thicken to compress the helical pitch of the CLC–monomer region and then induce an internal longitudinal strain, leading to the 2D disordered microgrid structure of Helfrich deformation. A 1D laser interference field can effectively control the post-formed 2D grid microstructure to be arranged in an orderly manner in a macro-exposure area.
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Shun-An Jiang, Chien-Hsiang Wang, Yan-Song Zhang, and Chia-Rong Lee "Macroscopic orderliness of 2D supramolecular chiral microstructure controlled with 1D interference field", Proc. SPIE PC12023, Emerging Liquid Crystal Technologies XVII, PC1202305 (9 March 2022); https://doi.org/10.1117/12.2614643
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KEYWORDS
Liquid crystals
Polymers
Control systems
Diffraction
Molecular self-assembly
Molecules
Photopolymerization
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