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Chiral structures in azobenzene‐containing systems: Construction, regulation, and application
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Chiral structures in azobenzene‐containing systems: Construction, regulation, and application
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Journal Article
Chiral structures in azobenzene‐containing systems: Construction, regulation, and application
2024
Overview
Chirality is a fundamental property in nature, which is essential for the existence and survival of living organisms. Smart responsive chiroptical materials have garnered increasing attention due to their unique structural characteristics and potential applications. Among these, azobenzene (Azo), as a typical photoresponsive chromophore, plays a crucial role in constructing and controlling chiral structures. The unique cis‐trans isomerization, liquid crystallinity, and other physicochemical properties allow for a wide range of tunability in stimuli‐responsive chiroptical materials. Herein, we review the research studies in the field of chiral/achiral Azo building blocks for multilevel chiral generation as well as chiral switching, and summarize the recent advances on the applications of the chiral Azo structures from micro to macro levels. Finally, we aim to provide an overview of the potential challenges and new research opportunities for the development of novel smart responsive chiroptical materials. The unique cis‐trans isomerization, liquid crystallinity and other physicochemical properties of azobenzene allow for a wide range of tunability in stimuli‐responsive chiroptical materials, which endows azobenzene chiroptical aggregates with the ability of chirality switches (“on/off,” “inversion” and “amplification” switches) from microscopic to macroscopic scales as well as provides a bright prospect for the further applications of azobenzene chiroptical materials.
Publisher
John Wiley & Sons, Inc,Wiley
Subject
