Gold nanoparticles show electroactivity: Counting and sorting nanoparticles upon impact with electrodes

Y.-G. Zhou, N.V. Rees, R.G. Compton, J. Pillay, R. Tshikhudo, S. Vilakazi

Research output: Contribution to journalArticlepeer-review

121 Citations (Scopus)

Abstract

Gold nanoparticles (AuNPs) in aqueous 0.10 M HCl are shown to be electroactive at oxidising potentials greater than 1.0 V (vs. Ag/AgCl) by means of voltammetric monitoring of AuNP-electrode collisions. The method promises the use of anodic particle coulometry for the detection and characterisation of the AuNPs.
Original languageEnglish
Pages (from-to)224-226
Number of pages3
JournalChemical Communications
Volume48
Issue number2
DOIs
Publication statusPublished - 7 Jan 2012

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