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作 者:Shiyuan Yi Laibing Wang Xiaoxiao Cheng Michiya Fujiki Wei Zhang
机构地区:[1]State and Local Joint Engineering Laboratory for Novel Functional Polymeric Materials,Jiangsu Engineering Laboratory of Novel Functional Polymeric Materials,Suzhou Key Laboratory of Macromolecular Design and Precision Synthesis,College of Chemistry, Chemical Engineering and Materials Science,Soochow University,Suzhou,Jiangsu,215123 China [2]Graduate School of Science and Technology,Nara Institute of Science and Technology,8916-5 Takayama,Ikoma,Nara,630-0192 Japan [3]School of Chemical and Environmental Engineering,Anhui Polytechnic University,Wuhu,Anhui,241000 China
出 处:《Chinese Journal of Chemistry》2023年第24期3625-3632,共8页中国化学(英文版)
基 金:grateful for the financial support from the National Natural Science Foundation of China(92056111 and 21971180);China PostdoctoralScience Foundation(2022M722312);Jiangsu Funding Program for Excellent Postdoctoral Talent,Key Laboratory of Polymeric Material Design and Synthesis for Biomedical Function,the Priority Academic Program Development(PAPD)of Jiangsu Higher Education Institutions and the Program of Innovative Research Team of Soochow University。
摘 要:Various optically active polymers are known to afford sophisticated chirality-related functionalities,i.e.,asymmetric catalysis,chiroptical switching and memory in UV-vis-NIR region,chromatographic separation of enantiomers,and sensors for molecular chirality.Recently,material researchers have paid much attention to the design of chiral supramolecular architectures from achiral polymers upon intermolecular interactions with help of greener biosources.The present article reports an instantaneous generation of ambidextrous supramolecules revealing light-driven chiroptical switching/memory in UV-vis region when achiral azobenzene-containing vinylpolymers are non-covalently interacted with alkyl ester derivatives of natural cellulose and D-/L-glucose.It was recognized that the semi-synthetic biomaterials efficiently work as chirality-inducing scaffoldings to several achiral and optically inactive molecules,oligomers,and polymers.Our successful results shed light on a new approach of how inexpensive poly-/mono-saccharide derivatives can afford supramolecular chiroptical systems with the azobenzene pendant polymer as aggregates in suspension and liquid-crystalline films with minimal energy,time,and cost.
关 键 词:Aggregation AZOBENZENE Nanostructures Functional polymers Supramolecular chirality
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