Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
9607942 | Applied Catalysis A: General | 2005 | 12 Pages |
Abstract
A series of platinum and platinum ruthenium carbon supported electrocatalyst have been prepared by the microemulsion technique. The influence of parameters such as the preparation route, the metal loading and the PtRu stoichiometry on the morphology of the final nanoparticles has been studied. Irrespective the total metal loading, nanosized particles, displaying a narrow size distribution were obtained. In addition, particle size was found to be independent of the metal loading. Structural characteristics of these systems have been studied by XPS, X-ray diffraction, TEM, and TPR-TPO and their textural parameters by N2 adsorption. The catalytic performance of the samples was evaluated in the electrochemical oxidation of methanol. The influence of the morphology on the catalytic performance of the catalysts is discussed in terms of their synthesis route.
Related Topics
Physical Sciences and Engineering
Chemical Engineering
Catalysis
Authors
Sergio Rojas, Francisco J. GarcÃa-GarcÃa, Sven Järas, MarÃa V. MartÃnez-Huerta, José Luis GarcÃa Fierro, Magali Boutonnet,