Self-Assembly Driven Aggregation-Induced Emission of Silver Nanoclusters for Light Conversion and Temperature Sensing
2020
Supramolecular self-assembly is an effective method for constructing complex ordered aggregates with specific functions by noncovalent bonding. However, silver nanoclusters (NCs) have rarely been explored in the self-assembly of nanoscale building blocks, and the noncovalent forces (electrostatic, hydrogen-bonding, π–π-stacking interactions, etc.) and argentophilic interactions [Ag(I)···Ag(I)] are crucial in directing to the supramolecular self-assembly of Ag(I) compounds. Here, we used silver NCs (Ag9-NCs, [Ag9(mba)9], where H2mba = 2-mercaptobenzoic acid) as the model cluster to interact with succinic acid (SA) to construct a nanofiber structure. The formation of highly ordered nanofibers is the result of SA-modified peripheral ligands of Ag9-NCs. Under the action of noncovalent forces (hydrogen-bonding, π–π-stacking, and hydrophobic interactions), the reconstruction of this ordered structure not only increases the content of Ag(I) species in the protective shell of Ag9-NCs but also provides the possibi...
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