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Issue 8, 2012
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Realization of a salt bridge-free microfluidic reference electrode

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Abstract

We report on the design of a microfluidic electrochemical cell with a true Ag/AgCl reference electrode that does not rely on a physical barrier or salt bridge, but instead takes advantage of slow diffusion times in micro-channels. The device concept is demonstrated in PDMS using the Ir+IV/Ir+III redox couple as an example. A scaling analysis provides limits of operation for the device.

Graphical abstract: Realization of a salt bridge-free microfluidic reference electrode

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Publication details

The article was received on 02 Dec 2011, accepted on 23 Feb 2012 and first published on 07 Mar 2012


Article type: Communication
DOI: 10.1039/C2LC21195E
Citation: Lab Chip, 2012,12, 1431-1433

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    Realization of a salt bridge-free microfluidic reference electrode

    E. V. Dydek, M. V. Petersen, D. G. Nocera and K. F. Jensen, Lab Chip, 2012, 12, 1431
    DOI: 10.1039/C2LC21195E

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