Issue 47, 2010
From the journal:

Chemical Communications

Controlling voltammetric responses by electrode modification; using adsorbed acetone to switch graphite surfaces between adsorptive and diffusive modes

Christopher Batchelor-McAuley,a   Luís M. Gonçalves,b   Linhongjia Xiong,a   Aquiles A. Barrosb  and  Richard G. Compton*a  

* Corresponding authors

a Department of Chemistry, Physical and Theoretical Chemistry Laboratory, Oxford University, South Parks Road, Oxford OX1 3QZ, United Kingdom
E-mail: richard.compton@chem.ox.ac.uk
Fax: +44(0) 1865 275410
Tel: +44(0) 1865 275413

b Requimte, Department of Chemistry and Biochemistry, Faculty of Science, University of Porto, Rua do Campo Alegre, no. 687, 4169-007 Porto, Portugal

Abstract

Graphite is a highly versatile electrode substrate material but the recorded voltammetric response is regularly complicated by varying degrees of adsorption of the analyte to the surface leading to voltammetry which is complex to analyse. We report how through the pre-adsorption of acetone the electro-activity of the substrate is unhindered but adsorption of an electro-active species is effectively blocked, hence the experimentalist is able to readily tailor the electrode so as to effectively switch the adsorption of the analyte ‘on’ or ‘off’.

Graphical abstract: Controlling voltammetric responses by electrode modification; using adsorbed acetone to switch graphite surfaces between adsorptive and diffusive modes

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Article information

DOI
https://doi.org/10.1039/C0CC03961F
Article type
Communication
Submitted
19 Sep 2010
Accepted
13 Oct 2010
First published
04 Nov 2010

Chem. Commun., 2010,46, 9037-9039

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Controlling voltammetric responses by electrode modification; using adsorbed acetone to switch graphite surfaces between adsorptive and diffusive modes

C. Batchelor-McAuley, L. M. Gonçalves, L. Xiong, A. A. Barros and R. G. Compton, Chem. Commun., 2010, 46, 9037 DOI: 10.1039/C0CC03961F

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