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Selective 1,3-butadiene hydrogenation by gold nanoparticles on novel nano-carbon materials

Paper ID Volume ID Publish Year Pages File Format Full-Text
53717 46981 2015 10 PDF Available
Title
Selective 1,3-butadiene hydrogenation by gold nanoparticles on novel nano-carbon materials
Abstract

•Graphene oxide and multiwall carbon nanotubes were chemically modified by treatment with an aniline derivate or by incorporating nitrogen-adatoms.•An unusual activity for 1,3-butadiene was obtained with the gold amine functionalized graphene catalyst.•Different behaviour was observed for the graphene samples after recycling experiments.

Graphene oxide and multiwall carbon nanotubes were chemically modified by treatment with an aniline derivate or by incorporating nitrogen-adatoms. These materials were used as supports for gold nanoparticles and the resulting catalytic materials have been applied as catalysts in the 1,3-butadiene hydrogenation reaction. Supports and catalysts were exhaustively characterized by chemical analysis, X-ray photoelectron spectroscopy, thermogravimetric studies, temperature programmed desorption and transmission electron microscopy. The incorporation of nitrogen groups on surfaces modifies the gold precipitation–deposition process, giving place to different nanoparticle sizes and amounts of gold. From the point of view of catalytic behaviour an unusual activity for 1,3-butadiene was obtained with the gold amine functionalized graphene catalyst. The gold nanoparticles supported on graphene modified by p-phenylenediamine are more active than when supported either in the other samples. In particular, gold supported on graphene modified with amine like groups becomes active at near ambient temperatures, which is unusual for gold catalysts. Especially interesting is the variation of the gold catalytic properties, after recycling experiments.

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Keywords
Graphite oxide; Graphene; Carbon nanotubes; Gold; Butadiene hydrogenation
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Selective 1,3-butadiene hydrogenation by gold nanoparticles on novel nano-carbon materials
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Publisher
Database: Elsevier - ScienceDirect
Journal: Catalysis Today - Volume 249, 1 July 2015, Pages 117–126
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
Online Support
Any Questions? feel free to contact us