

FOLLOWUS
Jiangsu Key Laboratory of Advanced Functional Polymer Design and Application, State and Local Joint Engineering Laboratory for Novel Functional Polymeric Materials, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou Industrial Park, Suzhou 215123, China
weizhang@suda.edu.cn
Received:25 July 2021,
Revised:2021-8-25,
Accepted:02 September 2021,
Online First:04 November 2021,
Published:01 January 2022
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Sun, Y. J.; Cheng, X. X.; Miao, T. F.; Ma, H. T.; Zhang, W.; Zhu, X. L. Reversible CO2-, photo- and thermo- triple responsive supramolecular chirality of Azo-containing block copolymer assemblies prepared by polymerization-induced chiral self-assembly. Chinese J. Polym. Sci. 2022, 40, 56–66 DOI: 10.1007/s10118-021-2647-3.
Ya-Jing Sun, Xiao-Xiao Cheng, Teng-Fei Miao, et al. Reversible CO2-, Photo- and Thermo- Triple Responsive Supramolecular Chirality of Azo-containing Block Copolymer Assemblies Prepared by Polymerization-induced Chiral Self-assembly[J]. Chinese Journal of Polymer Science, 2022, 40(1): 56-66. DOI: 10.1007/s10118-021-2647-3.
Sun, Y. J.; Cheng, X. X.; Miao, T. F.; Ma, H. T.; Zhang, W.; Zhu, X. L. Reversible CO2-, photo- and thermo- triple responsive supramolecular chirality of Azo-containing block copolymer assemblies prepared by polymerization-induced chiral self-assembly. Chinese J. Polym. Sci. 2022, 40, 56–66 DOI: 10.1007/s10118-021-2647-3. DOI:
Ya-Jing Sun, Xiao-Xiao Cheng, Teng-Fei Miao, et al. Reversible CO2-, Photo- and Thermo- Triple Responsive Supramolecular Chirality of Azo-containing Block Copolymer Assemblies Prepared by Polymerization-induced Chiral Self-assembly[J]. Chinese Journal of Polymer Science, 2022, 40(1): 56-66. DOI: 10.1007/s10118-021-2647-3. DOI:
Polymerization-induced chiral self-assembly (PICSA) is an efficient strategy that not only allows the construction of the supramolecular chiral assemblies in a controlled manner but also can regulate the morphology
in situ
. Herein
a series of azobenzene-containing block copolymer (Azo-BCP) assemblies with tunable morphologies and supramolecular chirality were obtained through the PICSA strategy. The supramolecular chirality of Azo-BCP assemblies could be regulated by carbon dioxide (CO
2
) stimulus
and completely recovered by bubbling with Ar. A reversible morphology transformation and chiroptical switching process could also be achieved by the alternative 365 nm UV light irradiation and heating-cooling treatment. Moreover
the supramolecular chirality is thermo-responsive and a reversible chiral-achiral switching was successfully realized
which can be reversibly repeated for at least five times. This work provides a feasible strategy for constructing triple stimuli-responsive supramolecular chiral nano-objects
in situ
.
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