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Engineering Achiral Liquid Crystalline Polymers for Chiral Self-Recovery.


ABSTRACT: Flexible construction of permanently stored supramolecular chirality with stimulus-responsiveness remains a big challenge. Herein, we describe an efficient method to realize the transfer and storage of chirality in intrinsically achiral films of a side-chain polymeric liquid crystal system by combining chiral doping and cross-linking strategy. Even the helical structure was destroyed by UV light irradiation, the memorized chiral information in the covalent network enabled complete self-recovery of the original chiral superstructure. These results allowed the building of a novel chiroptical switch without any additional chiral source in multiple types of liquid crystal polymers, which may be one of the competitive candidates for use in stimulus-responsive chiro-optical devices.

SUBMITTER: Miao T 

PROVIDER: S-EPMC8584346 | biostudies-literature |

REPOSITORIES: biostudies-literature

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