期刊
NANOSCALE
卷 9, 期 42, 页码 16128-16132出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c7nr03095a
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资金
- National Science Centre, Poland [OPUS 2014/13/B/ST5/04420, 2015/17/N/ST5/03333]
- Foundation for Polish Science (FNP, START stipend)
- EPSRC
Herein, we show how the inherent light-induced redox properties of semiconducting nanocrystals (NCs) can be utilized for the photo-driven reversible modulation of dynamic supramolecular systems formed at their interfaces that, on their own, do not respond to light. This was achieved by the unprecedented combination of photoactive zinc oxide NCs (ZnO NCs) with a host-guest chemistry of cucurbit[8] uril (CB[8]) providing a route to the semiconductorassisted light modulation of supramolecular assemblies (SALSA), here mediated by the photo-generation of viologen radical cations (MV.+) at the NC corona and their further dimerization enhanced by CB[8] macrocycles. The reported SALSA strategy was successfully applied for light-controlled reversible assembly processes at NC interfaces enabling light-triggered release of guest molecules from surface confined discrete CB[8] host-guest complexes.
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