Artificial light harvesting systems based on novel AIEgen-branched rotaxane dendrimers for photocatalyzed functionalization of C-H bonds
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Developing Photosensitizer-Cobaloxime Hybrids for Solar-Driven H2 Production in Aqueous Aerobic Conditions
Published on: October 5, 2019
Xiao-Qin Xu1, Yi-Ru Song1, Jiang-Han Cao1
1Shanghai 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 hbyang@chem.ecnu.edu.cn.
Abstract:
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.
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