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Ambient temperature CO oxidation over gold nanoparticles (14 nm) supported on Mg(OH)2 nanosheets

Paper ID Volume ID Publish Year Pages File Format Full-Text
50007 46776 2013 5 PDF Available
Title
Ambient temperature CO oxidation over gold nanoparticles (14 nm) supported on Mg(OH)2 nanosheets
Abstract

•Au NPs with two sizes (4 &14 nm) were deposited on Mg(OH)2 nanosheets (NSs).•Catalysts with larger Au NPs gave decent activity toward CO oxidation.•Mg(OH)2 NSs were important for the activity of catalysts with larger Au NPs.

Au/Mg(OH)2 catalysts with two different sizes (4 and 14 nm) of Au nanoparticles (NPs) have been prepared by depositing pre-fabricated Au NPs onto Mg(OH)2 nanosheets (NSs). It was found that 14 nm Au NPs supported on Mg(OH)2 exhibited unexpected activity for CO oxidation at ambient temperature that could be comparable with those of Au NPs of 4 nm. The Mg(OH)2 support was suggested to be responsible for the observed catalytic activity of larger gold supported catalysts.

Keywords
Gold; CO oxidation; Well-defined; Mg(OH)2; Surface hydroxyls
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Ambient temperature CO oxidation over gold nanoparticles (14 nm) supported on Mg(OH)2 nanosheets
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Publisher
Database: Elsevier - ScienceDirect
Journal: Catalysis Communications - Volume 36, 5 June 2013, Pages 38–42
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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