Interactions of Metal Nanoclusters with Light: Fundamentals and Applications

Abstract

Scheme 1. Overview of the interactions of metal NCs with light, including optical absorption, photoluminescence, interactions with polarized light, and light-induced chemical reactions.

In situ synthesis of chiral AuNCs with aggregation-induced emission using glutathione and ceria precursor nanosheets for glutathione biosensing

“…Generally, the chirality of NCs usually originates either from their chiral core or from their chiral capping ligands. 38,39 Thus, the employment of GSH as a chiral scaffold in AuNC synthesis may induce molecular chirality through the AuNCs’ interactions with circularly polarized light. Circular dichroism (CD) spectra were then recorded for the Au( i )–SG complexes in the non-aggregate state and after their aggregation for the synthesis of AuNCs.…”

Master key to coinage metal nanoclusters treasure chest: 38-metal clusters

“…Ultrasmall metal nanoclusters with discrete energy levels and multiple absorption peaks exhibit interesting optical properties. 90 Atomically precise metal nanoclusters can be used to obtain optical properties by theoretical calculations and to investigate the conformational relationship between the structures and optical properties. 91 This section discusses the optical properties of 38-atom coinage metal nanoclusters, mainly involving optical absorption, photoluminescence and electrochemiluminescence.…”

Inhibition of cancer cells using target-specific 2A3 antibody-conjugated gold nanoclusters

“…as promising antibacterial agents due to their ultrasmall sizes to increase interaction with bacteria [23][24][25]. For example, AuNCs conjugated with 6-mercaptohexanoic acid (MHA) have shown higher antibacterial activity in comparison with MHA conjugated gold nanoparticles and the complexes of Au(I)-MHA against Gram-negative Escherichia coli (E. coli) and Gram-positive Staphylococcus aureus (S. aureus) [26].…”