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Proton-Coupled Oxygen Reduction at Liquid-Liquid Interfaces Catalyzed by Cobalt Porphine
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SYSNO ASEP 0330400 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Článek ve WOS Title Proton-Coupled Oxygen Reduction at Liquid-Liquid Interfaces Catalyzed by Cobalt Porphine Title Redukce kyslíku spřažená s přenosem protonu na rozhraní kapalina-kapalina katalyzovaná prorfyrinem kobaltu Author(s) Hatay, I. (CH)
Su, B. (CH)
Méndez, M. A. (CH)
Khoury, T. (FR)
Gros, C. P. (FR)
Barbe, J.-M. (FR)
Ersöz, M. (TR)
Samec, Zdeněk (UFCH-W) RID, ORCID
Girault, H. H. (CH)Source Title Journal of the American Chemical Society. - : American Chemical Society - ISSN 0002-7863
Roč. 131, č. 37 (2009), s. 13453-13459Number of pages 7 s. Language eng - English Country US - United States Keywords scanning electrochemical microscopy ; immiscible electrolyte-solution ; ferrocene derivatives Subject RIV CG - Electrochemistry R&D Projects OC 177 GA MŠMT - Ministry of Education, Youth and Sports (MEYS) GA203/07/1257 GA ČR - Czech Science Foundation (CSF) CEZ AV0Z40400503 - UFCH-W (2005-2011) UT WOS 000270186500058 DOI 10.1021/ja904569p Annotation Cobalt porphine (COP) dissolved in the organic phase of a biphasic system is used to catalyze O-2 reduction by an electron donor, ferrocene (Fc). Using voltammetry at the interface between two immiscible electrolyte solutions (ITIES), it is possible to drive this catalytic reduction at the interface as a function of the applied potential difference, where aqueous protons and organic electron donors combine to reduce O-2. The current signal observed corresponds to a proton-coupled electron transfer (PCET) reaction, as no current and no reaction can be observed in the absence of either the aqueous acid, COP, c, or O-2. Workplace J. Heyrovsky Institute of Physical Chemistry Contact Michaela Knapová, michaela.knapova@jh-inst.cas.cz, Tel.: 266 053 196 Year of Publishing 2010
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