Issue 28, 2024

Manipulation of photoresponsive liquid-crystalline polymers and their applications: from nanoscale to macroscale

Abstract

As a smart material, photoresponsive liquid-crystalline polymers exhibit interestingly tunable properties from the nanoscale to the macroscale, which are attributed to their combination of liquid crystal ordering and photoswitchable features. An azobenzene-containing liquid-crystalline polymer is a typical representative, which has been studied from many different aspects. However, the lack of research on the structure–performance relationship and multi-scale manipulation has limited its applications in a broader field. Over the past few years, great efforts have been devoted to achieving the control at multiple scales using light, which has promoted their applications in the fields of energy storage, advanced anticounterfeiting and switchable adhesion. Here, we summarize recent progress in photoresponsive liquid-crystalline polymers, including molecular design, fabrication techniques and the manipulation mechanism from the nanoscale to the micrometre scale and then the macroscale. Their various applications based on abundant photoresponsive properties are systematically summarized. Finally, the existing challenges and opportunities in this field are discussed.

Graphical abstract: Manipulation of photoresponsive liquid-crystalline polymers and their applications: from nanoscale to macroscale

Article information

Article type
Review Article
Submitted
21 ذو القعدة 1445
Accepted
19 ذو الحجة 1445
First published
20 ذو الحجة 1445

J. Mater. Chem. C, 2024,12, 10246-10266

Manipulation of photoresponsive liquid-crystalline polymers and their applications: from nanoscale to macroscale

Y. Ji and H. Yu, J. Mater. Chem. C, 2024, 12, 10246 DOI: 10.1039/D4TC02213K

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