Issue 2, 2012

Graphene electroanalysis: Inhibitory effects in the stripping voltammetry of cadmium with surfactant free graphene

Abstract

We explore the use of surfactant free graphene towards the electroanalytical sensing of cadmium(II) ions viaanodic stripping voltammetry. In line with literature methodologies, we modify an electrode substrate which exhibits relatively fast electron transfer with commercially available graphene which is free from surfactants. Surprisingly, we find that graphene reduces the analytical performance and hence inhibits the electrochemical detection of cadmium(II) ions, with calibration plots in model aqueous solutions revealing no advantages of employing graphene in this analytical context.

Graphical abstract: Graphene electroanalysis: Inhibitory effects in the stripping voltammetry of cadmium with surfactant free graphene

Article information

Article type
Paper
Submitted
15 Oct 2011
Accepted
18 Nov 2011
First published
28 Nov 2011

Analyst, 2012,137, 420-423

Graphene electroanalysis: Inhibitory effects in the stripping voltammetry of cadmium with surfactant free graphene

D. A. C. Brownson, A. C. Lacombe, D. K. Kampouris and C. E. Banks, Analyst, 2012, 137, 420 DOI: 10.1039/C1AN15967D

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