Sequence Engineering in Tuning the Circularly Polarized Luminescence of Aggregation-Induced Emission-Active Hetero[3]rotaxanes

作     者：Zhiyong Peng Pei-Pei Jia Xu-Qing Wang Xiao-Li Zhao Hai-Bo Yang Wei Wang 

作者机构：Shanghai Key Laboratory of Green Chemistry and Chemical ProcessesState Key Laboratory of Petroleum Molecular&Process EngineeringSchool of Chemistry and Molecular EngineeringEast China Normal UniversityShanghai 200062 Shanghai Center of Brain-Inspired Intelligent Materials and DevicesEast China Normal UniversityShanghai 200241 

出 版 物：《CCS Chemistry》 (中国化学会会刊（英文）)

年 卷 期：2024年第6卷第10期

页      面：2489-2501页

核心收录：

学科分类：081704[工学-应用化学] 07[理学] 08[工学] 0817[工学-化学工程与技术] 070303[理学-有机化学] 0703[理学-化学] 

基　　金：support by the National Natural Science Foundation of China(grant nos.92356307 and 22001073) the Natural Science Foundation of Shanghai(grant no.23ZR1419600) support by the National Natural Science Foundation of China(grant no.92056203) the Science and Technology Commission of Shanghai Municipality(grant no.21520710200) the National Key R&D Program of China(grant no.2021YFA1501600) support by the National Natural Science Foundation of China(grant no.22201077) 

主　　题：mechanically interlocked molecules rotaxanes sequence isomerism aggregationinduced emission circularly polarized luminescence 

摘      要：Based on a[2]rotaxane precursor with exchangeable pentafluorophenyl ester stoppers,a new wheelassembling approach has been successfully developed for the precise sequence control of hetero[3]rotaxanes,leading to the facile and efficient synthesis of both sequence isomers of hetero[3]*** importantly,taking advantage of the chirality retention along with the wheel-assembling process,corresponding sequence isomers of chiral AIEgenfunctionalized hetero[3]rotaxanes were further precisely ***,the resultant hetero[3]rotaxanes revealed remarkable sequencedependent aggregation-induced emission(AIE)behavior and circularly polarized luminescence performance with large dissymmetry factors up to 0.012,highlighting the great power of the newly coined sequence engineering concept in developing novel AIE-active chiroptical *** proof-ofconcept study lays the foundation for investigation of the structure-property relationships of heterorotaxanes that can further direct the rational design and precise synthesis of sequence-defined heterorotaxanes with desirable properties for practical applications.