Research progress of cholesteric liquid crystals with broadband reflection characteristics in application of intelligent optical modulation materials
Zhang Lan-Ying1, 3, Gao Yan-Zi1, Song Ping1, Wu Xiao-Juan2, Yuan Xiao1, He Bao-Feng1, Chen Xing-Wu2, Hu Wang2, Guo Ren-Wei2, Ding Hang-Jun2, Xiao Jiu-Mei2, Yang Huai1, 2, 3, †,
       

(a) Schematic representation of the mechanism of the concentration difference induced pitch gradient, (b) the transmission spectrum of a 15-μm-thick film of the cholesteric pitch-gradient network, and (c) the SEM image of the fracture surface of the network.[43]