Controlled Growth of Pt Nanowires on Carbon Nanospheres and Their Enhanced Performance as Electrocatalysts in PEM Fuel Cells

Single‐crystal Pt nanowires are directly grown on carbon nanospheres via a simple chemical route, at room temperature in aqueous solution. The growth density and length of Pt nanowires on the carbon support can be easily modulated. Of interest for PEM fuel cell application, such Pt nanowire/C compos...

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Bibliographic Details
Published in:Advanced materials (Weinheim) 2008-10, Vol.20 (20), p.3900-3904
Main Authors: Sun, Shuhui, Jaouen, Frédéric, Dodelet, Jean-Pol
Format: Article
Language:English
Subjects:
Catalysis
catalysts
Chemical Sciences
fuel cells
metal nanowires
platinum
polymer electrolyte membranes
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Summary:Single‐crystal Pt nanowires are directly grown on carbon nanospheres via a simple chemical route, at room temperature in aqueous solution. The growth density and length of Pt nanowires on the carbon support can be easily modulated. Of interest for PEM fuel cell application, such Pt nanowire/C composites show enhanced catalytic activity for the oxygen reduction reaction compared with a state‐of‐the‐art Pt/C catalyst made of Pt nanoparticles.
ISSN:0935-9648
1521-4095
DOI:10.1002/adma.200800491