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|Title: ||Y-junction nanostructures of palladium: Enhanced electrocatalytic properties for fuel cell reactions|
|Authors: ||SUBHRAMANNIA, M|
|Keywords: ||hexagonal pore arrays|
|Issue Date: ||2009|
|Publisher: ||ELSEVIER SCIENCE SA|
|Citation: ||JOURNAL OF ELECTROANALYTICAL CHEMISTRY, 627(1-2), 58-62|
|Abstract: ||Here we demonstrate the utility of hierarchically designed alumina templates for the formation of palladium Y-junction nanostructures through a chemical vapor deposition route. These structures exhibit enhanced electrocatalytic activity for the oxidation of formic acid (up to 1020%) compared to that of platinum Y-junction nanostructures, which could be of immense relevance to portable fuel cell technology, since designing a better electrocatalyst for fuel cell reactions continues to be an important challenge. Apart from the obvious applications in fuel cell electrocatalysis, these Y-junction nanostructures could also act as promising candidates for room temperature hydrogen separation and more importantly as interconnects in molecular scale electronic devices. The present method of fabrication of Y-junction nanostructures using hierarchical alumina templates could be extended to other metallic/semiconducting systems facilitating more general opportunities for such hierarchical designs in nanoelectronics. (C) 2008|
|Appears in Collections:||Article|
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