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Titolo:
Sonoelectrochemistry at platinum and boron-doped diamond electrodes: achieving 'fast mass transport' for 'slow diffusers'
Autore:
Holt, KB; Del Campo, J; Foord, JS; Compton, RG; Marken, F;
Indirizzi:
Loughborough Univ Technol, Dept Chem, Loughborough LE11 3TU, Leics, England Loughborough Univ Technol Loughborough Leics England LE11 3TU cs, England Univ Oxford, Phys & Theoret Chem Lab, Oxford OX1 3QZ, England Univ OxfordOxford England OX1 3QZ ret Chem Lab, Oxford OX1 3QZ, England
Titolo Testata:
JOURNAL OF ELECTROANALYTICAL CHEMISTRY
fascicolo: 2, volume: 513, anno: 2001,
pagine: 94 - 99
Fonte:
ISI
Lingua:
ENG
Soggetto:
STRIPPING VOLTAMMETRY; TRANSFER KINETICS; ULTRASOUND; CAVITATION; SONOVOLTAMMETRY; MICROELECTRODES;
Keywords:
ultrasound; sonoelectrochemistry; cavitation; diffusion; boron-doped diamond; waste water;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Physical, Chemical & Earth Sciences
Citazioni:
40
Recensione:
Indirizzi per estratti:
Indirizzo: Marken, F Loughborough Univ Technol, Dept Chem, Loughborough LE11 3TU, Leics, England Loughborough Univ Technol Loughborough Leics England LE11 3TU d
Citazione:
K.B. Holt et al., "Sonoelectrochemistry at platinum and boron-doped diamond electrodes: achieving 'fast mass transport' for 'slow diffusers'", J ELEC CHEM, 513(2), 2001, pp. 94-99

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 destruction of an aqueous Procion Blue dye solution at boron-doped diamond electrodes is discussed. (C) 2001 Elsevier Science B.V. All rights reserved.

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Documento generato il 06/07/20 alle ore 05:38:51