Electrochemical detection of faraday waves on the surface of a gas bubble


Birkin, Peter R., Watson, Yvonne E., Leighton, Timothy G. and Smith, Karen L. (2002) Electrochemical detection of faraday waves on the surface of a gas bubble. Langmuir, 18, (6), 2135-2140. (doi:10.1021/la0111001).

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Original Publication URL: http://dx.doi.org/10.1021/la0111001

Description/Abstract

The oscillation of a gas bubble driven by an acoustic field has been investigated using an electrochemical sensing technique. A low-resolution scanning electrochemical microscopy technique, employing an L-shaped microelectrode, has been employed to address the equator of a tethered bubble. Real-time mass transfer enhancements as the result of bubble wall motion have been detected using the electrochemical reduction of Fe(CN)(6)(3-). A comparison of the pressure threshold measurements of the onset of surface oscillations with a theoretical model is presented. Photographic evidence of the presence and shape distortions of the bubble surface is also demonstrated.

Item Type: Article
ISSNs: 0743-7463 (print)
Related URLs:
Keywords: liquid/liquid interface, electron-transfer, microscopy, principles, monolayer, mode
Subjects: T Technology > TP Chemical technology
T Technology > TK Electrical engineering. Electronics Nuclear engineering
Q Science > QC Physics
Divisions: University Structure - Pre August 2011 > Institute of Sound and Vibration Research > Fluid Dynamics and Acoustics
University Structure - Pre August 2011 > School of Chemistry
ePrint ID: 19679
Date Deposited: 16 Feb 2006
Last Modified: 27 Mar 2014 18:09
URI: http://eprints.soton.ac.uk/id/eprint/19679

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