作为发色材料的离子液晶

Ionic Liquid Crystals as Chromogenic Materials.

作者信息

Santos Andreia F M, Figueirinhas João L, Dionísio Madalena, Godinho Maria H, Branco Luis C

机构信息

LAQV-REQUIMTE, Department of Chemistry, NOVA School of Science and Technology, NOVA University of Lisbon, 2829-516 Caparica, Portugal.

CeFEMA and Department of Physics, Instituto Superior Técnico, University of Lisbon, 1049-001 Lisbon, Portugal.

出版信息

Materials (Basel). 2024 Sep 17;17(18):4563. doi: 10.3390/ma17184563.

DOI:10.3390/ma17184563

PMID:39336305

原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC11432927/

Abstract

Ionic liquid crystals (ILCs), a class of soft matter materials whose properties can be tuned by the wise pairing of the cation and anion, have recently emerged as promising candidates for different applications, combining the characteristics of ionic liquids and liquid crystals. Among those potential uses, this review aims to cover chromogenic ILCs. In this context, examples of photo-, electro- and thermochromism based on ILCs are provided. Furthermore, thermotropic and lyotropic ionic liquid crystals are also summarised, including the most common chemical and phase structures, as well as the advantages of confining these materials. This manuscript also comprises the following main experimental techniques used to characterise ILCs: Differential Scanning Calorimetry (DSC), Polarised Optical Microscopy (POM) and X-Ray Powder Diffraction (XRD). Chromogenic ILCs can be interesting smart materials for energy and health purposes.

摘要

离子液晶（ILCs）是一类软物质材料，其性质可通过阳离子和阴离子的合理配对进行调节，最近已成为不同应用的有前途的候选材料，兼具离子液体和液晶的特性。在这些潜在用途中，本综述旨在涵盖发色离子液晶。在此背景下，提供了基于离子液晶的光致变色、电致变色和热致变色的实例。此外，还总结了热致和溶致离子液晶，包括最常见的化学和相结构，以及限制这些材料的优点。本手稿还包括用于表征离子液晶的以下主要实验技术：差示扫描量热法（DSC）、偏光显微镜（POM）和X射线粉末衍射（XRD）。发色离子液晶可能是用于能源和健康目的的有趣智能材料。