Platinum-Coated, Nanoporous Gold Nanorod Arrays: Synthesis and Characterization

The fabrication of Pt‐coated, vertically aligned, nanoporous gold‐nanorod arrays (see figure, left panel) that display electrocatalytically active large surface areas is described. Epitaxial platinum coatings only 1–2 monolayers thick are prepared by the spontaneous replacement of an electrochemical...

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Published inAdvanced materials (Weinheim) Vol. 19; no. 12; pp. 1612 - 1615
Main Authors Yoo, S.-H., Park, S.
Format Journal Article
LanguageEnglish
Published Weinheim WILEY-VCH Verlag 18.06.2007
WILEY‐VCH Verlag
Subjects
Alumina
Alumina, anodic
anodic
Core/shell materials
Nanoporous materials
Nanorods
Transition metals
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Summary:The fabrication of Pt‐coated, vertically aligned, nanoporous gold‐nanorod arrays (see figure, left panel) that display electrocatalytically active large surface areas is described. Epitaxial platinum coatings only 1–2 monolayers thick are prepared by the spontaneous replacement of an electrochemically deposited copper layer with platinum metal. Electrochemical characterization of the resulting nanoporous nanorod arrays (see figure, right panel) is carried out as a method for probing catalytic behavior.
Bibliography:This work was supported by the Korea Research Foundation Grant funded by the Korean Government (MOEHRD, KRF-2005-005-J11902, and KRF-C00050) and the Korea Science and Engineering Foundation (R01-2006-000-10426-0-2006). S.P. thanks SKKU for start-up funds, and S.-H.Y. thanks SKKU for an RA fellowship.
SKKU
Korea Research Foundation Grant - No. MOEHRD; No. KRF-2005-005-J11902; No. KRF-C00050
Korea Science and Engineering Foundation - No. R01-2006-000-10426-0-2006
ArticleID:ADMA200602551
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This work was supported by the Korea Research Foundation Grant funded by the Korean Government (MOEHRD, KRF‐2005‐005‐J11902, and KRF‐C00050) and the Korea Science and Engineering Foundation (R01‐2006‐000‐10426‐0‐2006). S.P. thanks SKKU for start‐up funds, and S.‐H.Y. thanks SKKU for an RA fellowship.
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SourceType-Scholarly Journals-1
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ISSN:0935-9648
1521-4095
DOI:10.1002/adma.200602551