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Issue 21, 2013
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Comparison of the performance of an array of nanoband electrodes with a macro electrode with similar overall area

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Abstract

The performance of two electrode architectures with broadly similar overall active electrode areas are examined. The first is an electrode comprising a single contiguous area (a disc) and the second is an electrode in which the cumulative electrode area is dispersed over a wide area as a 50 nm thickness platinum nanoband. A direct comparison of the electrochemical performance of these two electrodes has been made. The relatively simple nanoband electrode architecture is shown to have benefits, including two orders of magnitude greater mass transport limited currents, the ability to measure faster electrode kinetics (by a similar factor), a three orders of magnitude lowering of the Limit of Detection and a significantly reduced susceptibility to hydrodynamic perturbations. The consequences and implications of these performance characteristics on the uses of such a nanoband electrode have been considered.

Graphical abstract: Comparison of the performance of an array of nanoband electrodes with a macro electrode with similar overall area

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Article information


Submitted
19 Feb 2013
Accepted
04 Apr 2013
First published
05 Apr 2013

Phys. Chem. Chem. Phys., 2013,15, 8112-8118
Article type
Paper

Comparison of the performance of an array of nanoband electrodes with a macro electrode with similar overall area

N. J. Freeman, R. Sultana, N. Reza, H. Woodvine, J. G. Terry, A. J. Walton, C. L. Brady, I. Schmueser and A. R. Mount, Phys. Chem. Chem. Phys., 2013, 15, 8112
DOI: 10.1039/C3CP50759A

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