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Issue 22, 2014
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Redox cycling without reference electrodes

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Abstract

The reference electrode is a key component in electrochemical measurements, yet it remains a challenge to implement a reliable reference electrode in miniaturized electrochemical sensors. Here we explore experimentally and theoretically an alternative approach based on redox cycling which eliminates the reference electrode altogether. We show that shifts in the solution potential caused by the lack of reference can be understood quantitatively, and determine the requirements for accurate measurements in miniaturized systems in the absence of a reference electrode.

Graphical abstract: Redox cycling without reference electrodes

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Article information


Submitted
16 Jul 2014
Accepted
13 Sep 2014
First published
15 Sep 2014

Analyst, 2014,139, 6052-6057
Article type
Paper

Redox cycling without reference electrodes

S. Sarkar, K. Mathwig, S. Kang, Ab. F. Nieuwenhuis and S. G. Lemay, Analyst, 2014, 139, 6052
DOI: 10.1039/C4AN01287A

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