Higher-order assembly of BSA gold nanoclusters using supramolecular host–guest chemistry: a 40% absolute fluorescence quantum yield†
Herein, we report for the first time a highly emissive higher-order assembled structure of BSA-Au NCs in the presence of cucurbituril, which enhances the absolute fluorescence quantum yield of BSA-Au NCs up to 40%. Cucurbituril neutralizes the surface charge of BSA-Au NCs, and hence aggregation happens. This aggregation shows reversible disaggregation in the presence of adamantylamine.
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