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Sonoelectrochemistry at platinum and boron-doped diamond electrodes: achieving 'fast mass transport' for 'slow diffusers'

Abstract:

It is demonstrated for electrochemical processes in aqueous solution enhanced by ultrasound from a glass-horn transducer (24 kHz, 8 W cm-2) that the mass transport limited current is essentially independent of the diffusion coefficient. An explanation is proposed for this phenomenon, which allows, at low ultrasound power, considerable enhancements of the mass transport of 'slow diffusers' with small D, to be achieved via interfacial cavitation. An application of this effect in the anodic dest...

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Publication status:
Published

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Authors


Del Campo, J More by this author
More by this author
Institution:
University of Oxford
Department:
Oxford, MPLS, Chemistry, Physical and Theoretical Chem
More by this author
Institution:
University of Oxford
Department:
Oxford, MPLS, Chemistry, Physical and Theoretical Chem
Journal:
JOURNAL OF ELECTROANALYTICAL CHEMISTRY
Volume:
513
Issue:
2
Pages:
94-99
Publication date:
2001-11-02
DOI:
ISSN:
0022-0728
URN:
uuid:d570df5c-e8d3-4ece-9f96-075a597fd875
Source identifiers:
38052
Local pid:
pubs:38052

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