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Preparation of carbon supported Pt and PtRu nanoparticles from microemulsion - Electrocatalysts for fuel cell applications
KTH, School of Chemical Science and Engineering (CHE), Chemical Engineering and Technology, Chemical Technology.
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2005 (English)In: Applied Catalysis A: General, ISSN 0926-860X, E-ISSN 1873-3875, Vol. 285, no 02-jan, 24-35 p.Article in journal (Refereed) Published
Abstract [en]

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 N-2 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. © 2005 Elsevier B.V. All rights reserved.

Place, publisher, year, edition, pages
2005. Vol. 285, no 02-jan, 24-35 p.
Keyword [en]
microemulsion, electrocatalyst, Pt, Ru, methanol oxidation, in-oil microemulsions, high relative performance, methanol oxidation, bimetallic nanoparticles, platinum nanoparticles, metal nanoparticles, co electrooxidation, road transportation, reverse micelles, anode catalyst
Identifiers
URN: urn:nbn:se:kth:diva-14743DOI: 10.1016/j.apcata.2005.02.005ISI: 000229066500002Scopus ID: 2-s2.0-17344367228OAI: oai:DiVA.org:kth-14743DiVA: diva2:332784
Note
QC 20100525Available from: 2010-08-05 Created: 2010-08-05 Last updated: 2017-12-12Bibliographically approved

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Järås, Sven G.Boutonnet, Magali
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