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Issue 4, 2013
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Design of a wireless electrochemical valve

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Abstract

The control of motion of small objects is an emerging research area. Their design strongly depends on the strategy chosen to trigger the locomotion, which is typically obtained by either physical or chemical fueling. An ongoing challenge in this field is the remote control of the motion with space and time resolution. In this context, we describe in the present contribution a wireless electrochemical valve based on a chemo-mechanical feedback loop. This valve is driven by bipolar electrochemistry and works in aqueous solutions by converting reversibly an electrical input signal into periodic motion via electrogenerated hydrogen bubbles. We report the design of this very first bipolar valve, together with an analysis of the mechanism leading to the energy conversion, based on controlled production, storage and release of gas bubbles.

Graphical abstract: Design of a wireless electrochemical valve

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Publication details

The article was received on 22 Sep 2012, accepted on 27 Oct 2012 and first published on 01 Nov 2012


Article type: Communication
DOI: 10.1039/C2NR32875E
Citation: Nanoscale, 2013,5, 1305-1309
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    Design of a wireless electrochemical valve

    L. Bouffier and A. Kuhn, Nanoscale, 2013, 5, 1305
    DOI: 10.1039/C2NR32875E

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