液晶与显示2025，Vol.40Issue(1)：75-94,20.DOI:10.37188/CJLCD.2024-0257
手性光开关构筑液晶螺旋结构研究进展
Progress on chiral photoswitches for constructing liquid crystal helical structures
摘要
Abstract
Photoresponsive chiral liquid crystal materials,as a type of soft matter with self-assembly and entropy-driven ordering properties,exhibit excellent optical modulation of helical structures and are widely used in optical anti-counterfeiting,optical coding,and laser engineering.By incorporating chiral photoswitches into liquid crystal systems,light-induced chiral conversion can be effectively harnessed to remotely control the self-assembled helical structures of the liquid crystal materials.Currently,azobenzene,molecular motors,and diarylethene are widely utilized as chiral photoswitches in liquid crystal systems.These compounds exhibit weak stimulus and strong response control properties,highlighting their broad application prospects.This paper focuses on the structural design concepts of these three types of chiral photoswitches and summarizes the unique properties exhibited in light-modulated liquid crystal helical structures,including the reversible optical control of parameters such as helical structure pitch size and direction.Finally,the light-responsive flexible liquid crystal materials constructed using these photoswitches demonstrated their ability to achieve changes in color and shape through light manipulation,showcasing potential application in information storage,anti-counterfeiting,soft robotics,and wearable devices,along with an outlook on future developments in this field.关键词
光开关/手性/液晶/螺旋结构Key words
photoswitches/chirality/liquid crystals/helical structures引用本文复制引用
胡宏龙,郑致刚..手性光开关构筑液晶螺旋结构研究进展[J].液晶与显示,2025,40(1):75-94,20.基金项目
国家重点研发计划(No.2022YFA1203700) （No.2022YFA1203700）
国家自然科学基金(No.62275081,No.62035008,No.22305079) （No.62275081,No.62035008,No.22305079）
上海市杨帆计划(No.23YF1409000) Supported by the National Key Research and Development Program of China(No.2022YFA1203700) （No.23YF1409000）
National Natural Science Foundation of China(No.62275081,No.62035008,No.22305079) （No.62275081,No.62035008,No.22305079）
Shanghai Sailing Program(No.23YF1409000) （No.23YF1409000）
