Journal
ACS APPLIED MATERIALS & INTERFACES
Volume -, Issue -, Pages -Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acsami.2c05599
Keywords
cucurbit[n]urils; anthracene derivative; light-harvesting systems; energy transfer; Nile red
Funding
- National Natural Science Foundation of China [21861011, 21871064]
- Innovation Program for High-level Talents of Guizhou Province [2016-5657]
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A highly efficient light-harvesting system has been designed using supramolecular self-assembly, showing enormous potential as a versatile platform for simulating photosynthesis.
Relying on the supramolecular self-assembly of twisted cucurbit[14]urils (tQ[14]), anthracene derivatives (ADPy), Nile red (NiR), and rhodamine B (RB), highly efficient light-harvesting systems have been successfully designed in an aqueous medium. The addition of tQ[14] causes ADPy to aggregate through supramolecular self-assembly to form a supramolecular polymer (ADPy@tQ[14]) with excellent aggregation-induced fluorescence and an interesting spherical external morphology, making it a remarkable energy donor. Consequently, efficient energy-transfer processes have occurred between ADPy@tQ[14] assembly and NiR and RB, which both serve as effective energy acceptors while being loaded onto ADPy@tQ[14]. In the case of NiR, the energy-transfer efficiency is up to 72.45%, and the antenna effect is near 55.4 at a donor/acceptor ratio of 100:1, making it close to the light-harvesting systems in nature. As a result, effective water-soluble artificial light-harvesting systems are showing enormous prospective as versatile platforms for simulating photosynthesis.
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