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

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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

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Publication details

The article was received on 13 Aug 2018, accepted on 22 Oct 2018 and first published on 22 Oct 2018


Article type: Paper
DOI: 10.1039/C8CP05154B
Citation: Phys. Chem. Chem. Phys., 2018, Advance Article
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    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, Advance Article , DOI: 10.1039/C8CP05154B

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