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The use of acoustoelectrochemistry to investigate rectified diffusion

The use of acoustoelectrochemistry to investigate rectified diffusion
The use of acoustoelectrochemistry to investigate rectified diffusion
This paper describes the approach to bubble related phenomena using a novel ‘acoustoelectrochemical' technique designed to investigate the physical and chemical effects of the acoustically induced motion of the bubble wall. In particular it describes the behaviour of a suspended gas bubble irradiated with sound of an appropriate frequency and pressure to induce bubble wall oscillation.
The first electrochemical measurement of the growth of a bubble through rectified diffusion is demonstrated. The technique employed relies on the sensitivity of a scanning electrochemical microscope (SECM) deployed close to the gas/liquid interface of a bubble. The growth rate of the bubble (<0.1 ?m s?1) is reported. It will be also demonstrated that gas exchange across the phase boundary at the bubble wall, can be successfully probed when the bubble is stationary.
oscillation, rectified diffusion, microelectrodes, bubbles, acoustics
1350-4177
217-221
Birkin, P.R.
ba466560-f27c-418d-89fc-67ea4f81d0a7
Leighton, T.G.
3e5262ce-1d7d-42eb-b013-fcc5c286bbae
Watson, Y.E.
48a8ba6c-6bed-48c2-b173-2cf440991a98
Birkin, P.R.
ba466560-f27c-418d-89fc-67ea4f81d0a7
Leighton, T.G.
3e5262ce-1d7d-42eb-b013-fcc5c286bbae
Watson, Y.E.
48a8ba6c-6bed-48c2-b173-2cf440991a98

Birkin, P.R., Leighton, T.G. and Watson, Y.E. (2004) The use of acoustoelectrochemistry to investigate rectified diffusion. Ultrasonics Sonochemistry, 11 (3-4), 217-221. (doi:10.1016/j.ultsonch.2004.01.023).

Record type: Article

Abstract

This paper describes the approach to bubble related phenomena using a novel ‘acoustoelectrochemical' technique designed to investigate the physical and chemical effects of the acoustically induced motion of the bubble wall. In particular it describes the behaviour of a suspended gas bubble irradiated with sound of an appropriate frequency and pressure to induce bubble wall oscillation.
The first electrochemical measurement of the growth of a bubble through rectified diffusion is demonstrated. The technique employed relies on the sensitivity of a scanning electrochemical microscope (SECM) deployed close to the gas/liquid interface of a bubble. The growth rate of the bubble (<0.1 ?m s?1) is reported. It will be also demonstrated that gas exchange across the phase boundary at the bubble wall, can be successfully probed when the bubble is stationary.

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More information

Published date: 2004
Additional Information: 4th Conference on the Applications of Power Ultrasound in Physical and Chemical Processing
Keywords: oscillation, rectified diffusion, microelectrodes, bubbles, acoustics

Identifiers

Local EPrints ID: 27997
URI: https://eprints.soton.ac.uk/id/eprint/27997
ISSN: 1350-4177
PURE UUID: c0fce853-05c3-4573-af9d-aed02f742ac9
ORCID for P.R. Birkin: ORCID iD orcid.org/0000-0002-6656-4074
ORCID for T.G. Leighton: ORCID iD orcid.org/0000-0002-1649-8750

Catalogue record

Date deposited: 28 Apr 2006
Last modified: 14 Jul 2018 00:36

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Contributors

Author: P.R. Birkin ORCID iD
Author: T.G. Leighton ORCID iD
Author: Y.E. Watson

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