Acetylide-for-thiolate and thiolate-for-acetylide exchange on gold nanoclusters

Abstract

New ligand-exchange reactions are reported for thiolate- and acetylide-protected gold nanoclusters, which are rationalized through bond strengths and enthalpy arguments.

Chiral Superatomic Nanoclusters Ag47 Induced by the Ligation of Amino Acids

“…[32,[44][45][46] Atomically precise chiral metal nanoclusters blaze ap ath of establishing correlation between chirality and surface at atomic level. [38,45,46] Ligand engineering is enabling us to control the structures and properties of metal nanoclusters.C ompared to racemization separating and ligand exchange methods, [47][48][49][50][51][52][53] inducing chirality by chiral ligands is still am ore efficient method to synthesize chiral nanoclusters. [11,[54][55][56][57][58][59] Thee nantiomers of as eries of gold nanoclusters protected by R-/S-B INAP, R-/ S-DIOP and (R,R)-/(S,S)-2,3-bis(diphenylphosphino)butane have been prepared, [11,54,55,58] and chiral silver and copper(I) clusters are also known.…”

Redox-Induced Interconversion of Two Au8 Nanoclusters: the Mechanism and the Structure–Bond Dissociation Activity Correlations

“…Structure and property response of nanomaterials to environmental stimuli (such as changes in solvent, temperature, etc. ) − is fundamental to their practical applications in bioclinics, sensing, and catalysis. − Nevertheless, precise understanding on the origin of the stimuli response and the key driving forces, which will undoubtedly boost the development of more functional materials, has long been challenging due to the poly-dispersity issues. In this context, the metal (Au, Ag, etc.)…”

Evidence for stereoelectronic effects in ligand exchange reactions on Au25 nanoclusters

“…[22][23][24][25][26][27] Until now LERs developed into an important post-synthesis method, which has been used for extending the properties and functions of nanoclusters. [27][28][29] Much research has also focused on the reaction sites of LERs and the related effects. [30][31][32][33][34][35][36] In addition, the mechanism of LERs on nanoclusters is thought to follow an associative (SN2) pathway, according related experimental and computational studies.…”