Issue 15, 2022

A theoretical study of the monolayer-protected gold cluster Au317(SR)110

Abstract

Significant efforts have been made to uncover the structures of monolayer-protected gold nanoclusters. However, the synthesis, crystallization, and structural analysis of gold nanoclusters with over 300 metal atoms is a grand challenge. In this work, a new gold nanocluster containing 317 gold atoms and 110 thiolate (SH) ligands (referred to as Au317(SH)110) is theoretically studied, which is larger in size than the formerly reported Au279(SR)84 cluster. The stability of the Au317(SH)110 cluster is studied based on calculations of the averaged cluster formation energy (Eave), indicating that Au317(SH)110 has good structural stability and that the SPhCOOH (p-MBA) ligand is a good candidate for stabilizing the cluster. The calculation of density of state and the time-dependent density functional theory (TD-DFT) calculations of the optical absorption properties show that Au317(SH)110 is in a metallic state.

Graphical abstract: A theoretical study of the monolayer-protected gold cluster Au317(SR)110

Supplementary files

Article information

Article type
Communication
Submitted
07 Jan 2022
Accepted
21 Mar 2022
First published
04 Apr 2022

Nanoscale, 2022,14, 5694-5700

A theoretical study of the monolayer-protected gold cluster Au317(SR)110

L. Li, P. Wang and Y. Pei, Nanoscale, 2022, 14, 5694 DOI: 10.1039/D2NR00114D

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