A temperature-insensitive CLC solution was prepared by mixing nematic LC (E7, Merck) with 2.64% (w/w) of a right-handed chiral dopant (R5011, HCCH). A temperature-responsive CLC solution was formulated by mixing the LC with two right-handed chiral dopants of 19.8% (w/w) of R811 (Merck) and 0.68% (w/w) of R5011. As a gain medium, 0.5% (w/w) of fluorescent dye of PM597 [1,3,5,7,8-pentamethyl-2,6-di-t-butylpyrromethene-difluoroborate complex (TCI)] was doped into the CLC mixtures. The aqueous alignment shell was an aqueous solution of 12% (w/w) of PVA (Mw, 13,000 to 23,000; 87 to 89% hydrolyzed; Sigma-Aldrich) and 7% (w/w) of glycerol (Sigma-Aldrich). The continuous phase was an aqueous solution of 10% (w/w) of PVA. The outer-shell phase was silicone methacrylate monomer (SB4722, Evonik Industries) containing 1% (w/w) of photoinitiator (2-hydroxy-2-methylpropiophenone, Sigma-Aldrich).

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