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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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.
|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
|Date Deposited:||16 Feb 2006|
|Last Modified:||01 Jun 2011 08:33|
|RDF:||RDF+N-Triples, RDF+N3, RDF+XML, Browse.|
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