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Catalytic oxidation of benzyl alcohol on Au or Au–Pd nanoparticles confined in mesoporous silica

Paper ID Volume ID Publish Year Pages File Format Full-Text
47527 46474 2009 7 PDF Available
Title
Catalytic oxidation of benzyl alcohol on Au or Au–Pd nanoparticles confined in mesoporous silica
Abstract

In this paper, we report the synthesis of Au/SBA-15 and Au–Pd/SBA-15 materials by impregnation and grafting methods. It was found that the Au–Pd/SBA-15 sample prepared by the grafting method could highly disperse metal nanoparticles in mesoporous channels of SBA-15 and exhibit excellent catalytic performances for the selective oxidation of benzyl alcohol to benzaldehyde at mild reaction conditions (air atmosphere, 80 °C). The prevention of agglomeration and leaching of gold nanoparticles by restricting them inside the mesopores of SBA-15 leads to a high stability of Au–Pd/SBA-15. In both approaches, the addition of Pd to Au/SBA-15 catalysts can decrease the size of gold nanoparticles, which attributes to higher activity for the selective aerobic oxidation of benzyl alcohol.

Keywords
Gold and palladium; Mesoporous SBA-15; Nanoparticles; Oxidation; Benzyl alcohol
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Catalytic oxidation of benzyl alcohol on Au or Au–Pd nanoparticles confined in mesoporous silica
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Publisher
Database: Elsevier - ScienceDirect
Journal: Applied Catalysis B: Environmental - Volume 92, Issues 1–2, 19 October 2009, Pages 202–208
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Catalysis
Get Full-Text Now
Don't Miss Today's Special Offer
Price was $35.95
You save - $31
Price after discount Only $4.95
100% Money Back Guarantee
Full-text PDF Download
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Any Questions? feel free to contact us