智能响应结构色液晶弹性体研究进展  

Research progress in smart responsive structural-colored liquid crystal elastomer

作　　者：闵佳媛 罗丹 MIN Jiayuan;LUO Dan(Department of Electrical and Electronic Engineering,Southern University of Science and Technology,Shenzhen 518055,China)

机构地区：[1]南方科技大学电子与电气工程系,广东深圳518055

出　　处：《液晶与显示》2024年第12期1667-1678,共12页Chinese Journal of Liquid Crystals and Displays

基　　金：国家自然科学基金(No.62175098,No.U22A20163);国家重点研发计划(No.2022YFA1203702);广东省基础与应用基础研究基金(No.2021B1515020097)。

摘　　要：结构色液晶弹性体(Structural-colored Liquid Crystal Elastomer, SLCE)是一类结合了光学结构色和类橡胶弹性特性的交联聚合物网络。结构色液晶弹性体器件通过其内部周期性亚微米结构的Bragg反射作用产生鲜艳且耐久的颜色。近年来,结构设计及操控技术的发展使结构色液晶弹性体的多功能性和可调性得到了显著提升,推动了其在材料学和光学领域的发展。本文首先简要介绍了胆甾相液晶弹性体和蓝相液晶弹性体的基本性质,随后重点综述了它们在环境感知、显示加密、仿生学和智能织物等领域的研究进展。最后,针对结构色液晶弹性体在实际应用中面临的挑战和应用前景做了进一步总结及展望。Structural-colored liquid crystal elastomer(SLCE)is a class of crosslinked polymer networks combining optical structural colors and rubber-like elastic properties.Structural-colored liquid crystal elastomer devices produce vibrant and durable colors by Bragg reflection from their internal periodic submicron structures.In recent years,the development of structural design and manipulation techniques has led to a significant increase in the versatility and tunability of structural-colored liquid crystal elastomer,which has driven its development in the fields of materials science and optics.In this paper,we briefly introduce the basic properties of cholesteric liquid crystal elastomer and blue phase liquid crystal elastomer,followed by focusing on an overview of their research progress in the fields of environment sensing,display encryption,bionics and smart fabrics.Finally,a further summary and outlook are given for the challenges and application prospects of structural-colored liquid crystal elastomer in practical applications.

关 键 词：结构色 液晶弹性体 胆甾相液晶 蓝相液晶 

分 类 号：O753.2[理学—晶体学]