Issue 44, 2018

Understanding gold nanoparticle dissolution in cyanide-containing solution via impact-chemistry

Abstract

The electrochemical dissolution of citrate-capped gold nanoparticles (AuNPs) was studied in cyanide (CN) containing solutions. It was found that the gold nanoparticles exhibited different dissolution behaviours as ensembles compared to the single particles. At the single particle level, a nearly complete oxidation of 60 nm AuNPs was achieved at concentrations greater than or equal to 35.0 mM CN and at a potential of 1.0 V. Mechanistic insights and rate data are reported.

Graphical abstract: Understanding gold nanoparticle dissolution in cyanide-containing solution via impact-chemistry

Supplementary files

Article information

Article type
Paper
Submitted
13 Aug 2018
Accepted
22 Oct 2018
First published
22 Oct 2018

Phys. Chem. Chem. Phys., 2018,20, 28300-28307

Understanding gold nanoparticle dissolution in cyanide-containing solution via impact-chemistry

A. L. Suherman, G. Zampardi, S. Kuss, E. E. L. Tanner, H. M. A. Amin, N. P. Young and R. G. Compton, Phys. Chem. Chem. Phys., 2018, 20, 28300 DOI: 10.1039/C8CP05154B

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