A selective blocking method to control the overgrowth of Pt on Au nanorods

John Fennell, Dongsheng He, Anicetus Muche Tanyi, Andrew J. Logsdail, Roy L. Johnston, Z. Y. Li, Sarah L. Horswell

Research output: Contribution to journalArticlepeer-review

63 Citations (Scopus)
154 Downloads (Pure)

Abstract

A method for the preparation of smooth deposits of Pt on Au nanorods is described, involving sequential deposition steps with selective blocking of surface sites that reduces Pt-on-Pt deposition. The Au–Pt nanorods prepared by this method have higher long-term stability than those prepared by standard Pt deposition. Electrochemical data show that the resulting structure has more extended regions of Pt surface and enhanced activity toward the carbon monoxide oxidation and oxygen reduction reactions.
Original languageEnglish
Pages (from-to)6554-6561
JournalJournal of the American Chemical Society
Volume135
Issue number17
Early online date17 Apr 2013
DOIs
Publication statusPublished - 1 May 2013

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