Gold nanoparticle ensembles allow mechanistic insights into electrochemical processes

Khairy, Mohamed and Choudry, Nadeem A. and Ouasti, Mohamed and Kampouris, Dimitrios K. and Kadara, Rashid O. and Banks, Craig E. (2010) Gold nanoparticle ensembles allow mechanistic insights into electrochemical processes. ISSN 1439-4235

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Abstract

Gold-nanoparticle-modified electrodes find wide and diverse applications in the area of electrochemistry. We demonstrate for the first time that gold-nanoparticle-modified electrodes can provide mechanistic information and we exemplify this with the electrochemical deposition of arsenic(III). Our approach of using nanoparticle ensembles is a facile and economical methodology that provides an alternative to using expensive gold single-crystal electrodes that require careful surface preparation before each measurement.