Xu Xiao-Qin, Song Yi-Ru, Cao Jiang-Han, Li Wei-Jian, Zhu Yu, Zhang Dan-Yang, Wang Wei, Wang Xu-Qing, Yang Hai-Bo
Shanghai Key Laboratory of Green Chemistry and Chemical Processes, State Key Laboratory of Petroleum Molecular and Process Engineering, School of Chemistry and Molecular Engineering, East China Normal University Shanghai 200062 China
School of Chemical and Environmental Engineering and Shanghai Engineering Research Center of Green Fluoropharmaceutical Technology, Shanghai Institute of Technology Shanghai 201418 China
Chem Sci. 2025 Mar 4;16(14):5786-5796. doi: 10.1039/d5sc00224a. eCollection 2025 Apr 2.
Aiming at the construction of novel luminescent materials for practical use, a new type of AIEgen-branched rotaxane dendrimer with up to 42 TPE units precisely distributed with dendrimer skeletons was successfully synthesized. Attributed to such high-density topological arrangements of AIEgens, these novel rotaxane-branched dendrimers revealed interesting generation-dependent AIE behaviors. Moreover, taking advantage of the efficient Förster resonance energy transfer (FRET) process, novel artificial light-harvesting systems (LHSs) were successfully constructed by the employment of ESY as energy acceptors, which revealed significantly enhanced photocatalytic performances in the functionalization of C-H bonds along with an increase in dendrimer generation, thus indicating an impressive generation effect.
针对新型发光材料的实际应用构建，成功合成了一种新型的具有多达42个TPE单元且精确分布在树枝状大分子骨架上的聚集诱导发光（AIE）分子支化轮烷树枝状大分子。由于AIEgens的这种高密度拓扑排列，这些新型轮烷支化树枝状大分子展现出有趣的与代数相关的AIE行为。此外，利用高效的Förster共振能量转移（FRET）过程，通过使用ESY作为能量受体成功构建了新型人工光捕获系统（LHSs），其在C-H键功能化中展现出随着树枝状大分子代数增加而显著增强的光催化性能，从而表明了令人印象深刻的代数效应。
