The electrochemical reduction of oxygen on polycrystalline copper in borax buffer

Oxygen reduction proceeds on copper electrodes in boric + borate buffer by the four electron pathway. Difference reflectance spectroscope shows that surface oxide species are formed during oxygen reduction on pre-reduced copper. The redox couple Cu2O/CuO plays an important role in the reduction sequ...

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Autores principales: Vazquez, M.V., de Sanchez, S.R., Calvo, E.J., Schiffrin, D.J.
Formato: JOUR
Acceso en línea:http://hdl.handle.net/20.500.12110/paper_00220728_v374_n1-2_p189_Vazquez
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Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA) de Universidad de Buenos Aires
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spelling todo:paper_00220728_v374_n1-2_p189_Vazquez2023-10-03T14:25:47Z The electrochemical reduction of oxygen on polycrystalline copper in borax buffer Vazquez, M.V. de Sanchez, S.R. Calvo, E.J. Schiffrin, D.J. Oxygen reduction proceeds on copper electrodes in boric + borate buffer by the four electron pathway. Difference reflectance spectroscope shows that surface oxide species are formed during oxygen reduction on pre-reduced copper. The redox couple Cu2O/CuO plays an important role in the reduction sequence and a CE mechanism is proposed, although direct electron transfer to the oxygen molecule from oxide-free surfaces appears possible. In this case, the behaviour of copper is similar to that of the isoelectronic metal gold. © 1994. Fil:Calvo, E.J. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. JOUR info:eu-repo/semantics/openAccess http://creativecommons.org/licenses/by/2.5/ar http://hdl.handle.net/20.500.12110/paper_00220728_v374_n1-2_p189_Vazquez
institution Universidad de Buenos Aires
institution_str I-28
repository_str R-134
collection Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA)
description Oxygen reduction proceeds on copper electrodes in boric + borate buffer by the four electron pathway. Difference reflectance spectroscope shows that surface oxide species are formed during oxygen reduction on pre-reduced copper. The redox couple Cu2O/CuO plays an important role in the reduction sequence and a CE mechanism is proposed, although direct electron transfer to the oxygen molecule from oxide-free surfaces appears possible. In this case, the behaviour of copper is similar to that of the isoelectronic metal gold. © 1994.
format JOUR
author Vazquez, M.V.
de Sanchez, S.R.
Calvo, E.J.
Schiffrin, D.J.
spellingShingle Vazquez, M.V.
de Sanchez, S.R.
Calvo, E.J.
Schiffrin, D.J.
The electrochemical reduction of oxygen on polycrystalline copper in borax buffer
author_facet Vazquez, M.V.
de Sanchez, S.R.
Calvo, E.J.
Schiffrin, D.J.
author_sort Vazquez, M.V.
title The electrochemical reduction of oxygen on polycrystalline copper in borax buffer
title_short The electrochemical reduction of oxygen on polycrystalline copper in borax buffer
title_full The electrochemical reduction of oxygen on polycrystalline copper in borax buffer
title_fullStr The electrochemical reduction of oxygen on polycrystalline copper in borax buffer
title_full_unstemmed The electrochemical reduction of oxygen on polycrystalline copper in borax buffer
title_sort electrochemical reduction of oxygen on polycrystalline copper in borax buffer
url http://hdl.handle.net/20.500.12110/paper_00220728_v374_n1-2_p189_Vazquez
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