25 August 2017 Self-assembly in chiral nematic liquid crystal
Author Affiliations +
Small molecule chiral nematic LCs contain a variety of defect lines which can cause aggregation of polymers, nanoparticles and small molecule materials such as fluorescent dyes. While normal dyes suffer aggregation induced quenching a class of propeller-like dyes display aggregation induced emission (AIE), which makes them an ideal material for cholesteric lasers. Nanoparticle dispersion is necessary for switchability, while aggregation can be used as a tool to produce assembled structures. Here we discuss strategies to promote or inhibit aggregation of various materials in chiral nematics.
Conference Presentation
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Julian Evans, Nan Wang, Iam Choon Khoo, Sailing He, "Self-assembly in chiral nematic liquid crystal", Proc. SPIE 10361, Liquid Crystals XXI, 1036103 (25 August 2017); doi: 10.1117/12.2272574; https://doi.org/10.1117/12.2272574

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