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Bismuth decoration of electrodeposited platinum thin films with a preferential (100) orientation

Published online by Cambridge University Press:  15 January 2013

E. Bertin ,
S. Garbarino ,
M.H. Martin  and
D. Guay
E. Bertin
Affiliation:
Institut National de la Recherche Scientifique, Énergie, Matériaux, Télécommunications, 1650 Boul. Lionel Boulet, J3X 1S2, Varennes, Québec, CANADA
S. Garbarino
Affiliation:
Institut National de la Recherche Scientifique, Énergie, Matériaux, Télécommunications, 1650 Boul. Lionel Boulet, J3X 1S2, Varennes, Québec, CANADA
M.H. Martin
Affiliation:
Institut National de la Recherche Scientifique, Énergie, Matériaux, Télécommunications, 1650 Boul. Lionel Boulet, J3X 1S2, Varennes, Québec, CANADA
D. Guay
Affiliation:
Institut National de la Recherche Scientifique, Énergie, Matériaux, Télécommunications, 1650 Boul. Lionel Boulet, J3X 1S2, Varennes, Québec, CANADA
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Abstract

Preferentially {100} oriented and polycrystalline platinum electrodes were prepared by potentiostatic electrodeposition. The surface of the electrodes was characterized by deconvolution of the hydrogen desorption region. The catalytic activity for formic acid oxidation was determined by cyclic voltammetry and chronoamperometry. The results indicate that although the maximum current observed in cyclic voltammogram does not increase, the long term performances as measured by chronoamperometry dramatically increase up to 33 times with increased Bi coverage despite the loss of electroactive Pt surface area.

Keywords

electrodepositioncatalyticPt
Type
Articles
Information
MRS Online Proceedings Library (OPL) , Volume 1491: Symposium C – Electrocatalysis and Interfacial Electrochemistry for Energy Conversion and Storage , 2013 , mrsf12-1491-c07-05
Copyright
Copyright © Materials Research Society 2013

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References

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