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Issue 12, 2011
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Visualisation of electrochemical processes at optically transparent carbon nanotube ultramicroelectrodes (OT-CNT-UMEs)

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Abstract

Optically transparent ultramicroelectrodes (OT-UMEs) comprising carbon nanotube (CNT) networks on quartz, are introduced and used to monitor quantitatively the interfacial concentration of tris(2,2′-bipyridine)ruthenium(II) during cyclic voltammetry. The OT-CNT-UMEs combine the attractive properties of small-scale electrodes, e.g., high diffusion rates and good signal-to-noise, with the ability to probe electrochemical processes optically, from the rear of the electrode. This enables optical measurements of the solution, close to the electrode surface, without significant interference from absorption or scattering processes.

Graphical abstract: Visualisation of electrochemical processes at optically transparent carbon nanotube ultramicroelectrodes (OT-CNT-UMEs)

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Article information


Submitted
07 Dec 2010
Accepted
17 Jan 2011
First published
03 Feb 2011

Phys. Chem. Chem. Phys., 2011,13, 5223-5226
Article type
Communication

Visualisation of electrochemical processes at optically transparent carbon nanotube ultramicroelectrodes (OT-CNT-UMEs)

A. Rutkowska, T. M. Bawazeer, J. V. Macpherson and P. R. Unwin, Phys. Chem. Chem. Phys., 2011, 13, 5223
DOI: 10.1039/C0CP02804E

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