Electrochemical detection of faraday waves on the surface of a gas bubble
Electrochemical detection of faraday waves on the surface of a gas bubble
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.
liquid/liquid interface, electron-transfer, microscopy, principles, monolayer, mode
2135-2140
Birkin, Peter R.
ba466560-f27c-418d-89fc-67ea4f81d0a7
Watson, Yvonne E.
4cbd1b53-4305-48b9-b5c3-676066459cdf
Leighton, Timothy G.
3e5262ce-1d7d-42eb-b013-fcc5c286bbae
Smith, Karen L.
8ab435e1-c13c-46e5-ab70-a1ca6f543fcc
19 March 2002
Birkin, Peter R.
ba466560-f27c-418d-89fc-67ea4f81d0a7
Watson, Yvonne E.
4cbd1b53-4305-48b9-b5c3-676066459cdf
Leighton, Timothy G.
3e5262ce-1d7d-42eb-b013-fcc5c286bbae
Smith, Karen L.
8ab435e1-c13c-46e5-ab70-a1ca6f543fcc
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), .
(doi:10.1021/la0111001).
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.
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Published date: 19 March 2002
Keywords:
liquid/liquid interface, electron-transfer, microscopy, principles, monolayer, mode
Identifiers
Local EPrints ID: 19679
URI: http://eprints.soton.ac.uk/id/eprint/19679
ISSN: 0743-7463
PURE UUID: c1336ed1-4d6a-4ead-8530-34d1c4feb87e
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Date deposited: 16 Feb 2006
Last modified: 16 Mar 2024 02:46
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Author:
Yvonne E. Watson
Author:
Karen L. Smith
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