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CO oxidation of Pt thin films deposited on smooth and porous Au nanorods

Paper ID Volume ID Publish Year Pages File Format Full-Text
42436 45925 2009 4 PDF Available
Title
CO oxidation of Pt thin films deposited on smooth and porous Au nanorods
Abstract

This study compared the activity of electrochemically deposited Pt thin films on nanoporous and smooth Au rods with various Pt thicknesses for CO oxidation. With increasing Pt thickness from 1 to 4 monolayers (ML), the activity in CO oxidation increased. Nanoporous Au rods, on which 4 ML of Pt were deposited, showed ∼30 times higher CO oxidation activity than smooth ones with the same amount of Pt. A higher surface area of nanoporous Au resulted in a catalytic activity of the Pt films on porous Au superior to those of the respective smooth surfaces.

Graphical abstractIn this study, we compared the CO oxidation reactivity of electrochemically deposited Pt thin films on nanoporous and smooth Au rods with various Pt thicknesses. Nanoporous Au rods covered with 4 monolayers of Pt showed ∼30 times higher CO oxidation reactivity than smooth ones with the same thickness of Pt.Figure optionsDownload full-size imageDownload as PowerPoint slide

Keywords
Pt; CO oxidation; Au; Nanoporous surface
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CO oxidation of Pt thin films deposited on smooth and porous Au nanorods
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Publisher
Database: Elsevier - ScienceDirect
Journal: Applied Catalysis A: General - Volume 367, Issues 1–2, 1 October 2009, Pages 89–92
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Catalysis
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Price was $35.95
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Price after discount Only $4.95
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