INVESTIGADORES
ALDABE Sara Alfonsina
artículos
Título:
Carbon monoxide electrosorption on low index platinum single crystal electrodes
Autor/es:
ALDABE BILMES, S
Revista:
JOURNAL OF ELECTROANALYTICAL CHEMISTRY
Editorial:
ELSEVIER
Referencias:
Lugar: Amsterdam; Año: 1984 vol. 170 p. 305 - 317
ISSN:
0022-0728
Resumen:
The
electrooxidation of carbon monoxide previously adsorbed at a given
potential and during various adsorption times was carried out on the
three low index planes of platinum single crystals. The I(E)
profiles obtained display at least two oxidation peaks which can be
attributed to the oxidation of different adsorbed CO species. Comparison
with the results at the solidgas interface and calculation of the
quantity of electricity involved for each peak suggest that these two
kinds of adsorbed CO may be linearly bonded CO and bridge or multibonded
CO. A third CO species might occur on the Pt (110) surface. These
results allow the I(E) profile for a polycrystalline
electrode closely covered by adsorbed CO to be simulated as the weighted
contribution of the oxidation current of linearly bonded CO on each
single crystal plane.
Copyright © 1984 Published by Elsevier B.V.