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CO oxidation over graphene supported palladium catalyst

Paper ID Volume ID Publish Year Pages File Format Full-Text
46071 46429 2012 8 PDF Available
Title
CO oxidation over graphene supported palladium catalyst
Abstract

Graphene supported palladium (Pd) catalyst has been prepared using the conventional impregnation and hydrogen reduction method. Highly dispersed nano particles are formed on the support graphene. The density functional theory (DFT) study and the catalyst characterization using Raman and X-ray photoelectron spectroscopy confirm that the oxygen containing groups play an important role in stabilizing Pd clusters on graphene. The first layer of the metal particle mainly presents as PdOx. The graphene supported Pd catalyst shows superior catalytic activity and high stability for CO oxidation. The kinetic studies indicate that CO oxidation over the graphene supported Pd catalyst follows the Langmuir–Hinshelwood (L–H) mechanism.

Graphical abstractFigure optionsDownload full-size imageDownload as PowerPoint slideHighlights► Highly dispersed Pd NPs on graphene were obtained via hydrogen reduction method. ► The interaction between Pd and graphene sheet was firstly proposed and confirmed. ► The Pd/graphene catalysts were applied for gas reaction. ► The Pd/graphene catalysts show very good activity and stability for CO oxidation. ► The L–H mechanism of CO oxidation over Pd/GE was confirmed.

Keywords
Catalyst; CO oxidation; DFT; Graphene; Palladium
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Publisher
Database: Elsevier - ScienceDirect
Journal: Applied Catalysis B: Environmental - Volume 125, 21 August 2012, Pages 189–196
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