3 years ago

A Supramolecular Artificial Light-Harvesting System with an Ultrahigh Antenna Effect

A Supramolecular Artificial Light-Harvesting System with an Ultrahigh Antenna Effect
Ni Cheng, Yong Chen, Jie Yu, Jing-Jing Li, Yu Liu
An efficient artificial light-harvesting system is fabricated from a cyclic polysaccharide, sulfato-β-cyclodextrin (SCD); an aggregation-induced emission molecule, an oligo(phenylenevinylene) derivative (OPV-I); and a fluorescent dye, nile red (NiR), via noncovalent interactions in an aqueous solution. In this system, the OPV-I/SCD supramolecular assembly acts as a donor, and NiR that is loaded into the OPV-I/SCD assembly acts as an acceptor. Significantly, an efficient energy-transfer process occurs between the OPV-I/SCD assembly and the loaded NiR, leading to an extremely high antenna effect. An efficient artificial light-harvesting system is fabricated based on a supramolecular strategy in aqueous solution. In this system, the supramolecular assembly acts as a donor, and nile red that is loaded into the assembly acts as acceptor. Significantly, an efficient energy-transfer process occurs between the assembly and the loaded nile red, leading to an extremely high antenna effect.

Publisher URL: http://onlinelibrary.wiley.com/resolve/doi

DOI: 10.1002/adma.201701905

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