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Preparation of ceria-supported rhodium oxide sub-nanoparticles with improved catalytic activity for CO oxidation

Paper ID Volume ID Publish Year Pages File Format Full-Text
50566 46802 2013 4 PDF Available
Title
Preparation of ceria-supported rhodium oxide sub-nanoparticles with improved catalytic activity for CO oxidation
Abstract

A simple method to prepare highly active RhOx/ceria catalysts with RhOx sub-nanoparticles (diameter < 1 nm) is reported, which consist of flash calcination of the ceria-impregnated rhodium oxide precursor. The catalytic performance for CO oxidation is significantly improved with regard to similar conventionally-prepared catalysts due to the formation of more highly active catalytic sites at the oxides interface.

Graphical abstractFigure optionsDownload full-size imageDownload as PowerPoint slideHighlights► Ceria-supported RhOx sub-nanoparticles (ɸ < 1 nm) were prepared by flash calcination. ► Catalytic CO oxidation is improved with regard to conventional catalysts. ► This is attributed to highly active catalytic sites at the larger oxide interface.

Keywords
Sub-nanoparticle; Ceria catalyst; Rhodium catalyst; Catalytic CO oxidation; Metal-support interaction
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Preparation of ceria-supported rhodium oxide sub-nanoparticles with improved catalytic activity for CO oxidation
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Publisher
Database: Elsevier - ScienceDirect
Journal: Catalysis Communications - Volume 33, 5 March 2013, Pages 47–50
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Catalysis
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