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30 September 2024 Photo-sensitive monomolecular layer for photo alignment and photo-patterning of liquid crystals
Abhishek Srivastava
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Proceedings Volume PC13121, Liquid Crystals XXVIII; PC131210I (2024) https://doi.org/10.1117/12.3028793
Event: Organic Photonics + Electronics, 2024, San Diego, California, United States
Abstract
In this talk, we will introduce a novel photo-alignment material that has been specifically developed for use in liquid crystal optical devices. These materials contain molecules that have at least one anchoring group and one α,β-unsaturated carbonyl group. These groups can include derivatives of carboxylic acid, amides, nitriles, or ketones. When these materials are dip-washed onto the substrate surface of the transparent electrode, such as an ITO layer, the anchoring group, in this case, phosphonic acid, forms a single molecular self-assembled layer. Excellent LC alignment was achieved by these alignment layers when exposed to linearly polarized light.
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Abhishek Srivastava "Photo-sensitive monomolecular layer for photo alignment and photo-patterning of liquid crystals", Proc. SPIE PC13121, Liquid Crystals XXVIII, PC131210I (30 September 2024); https://doi.org/10.1117/12.3028793
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KEYWORDS
Liquid crystals
Electrodes
Fabrication
Liquid crystal displays
Molecular self-assembly
Molecules
Optical alignment
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