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Catalytic combustion of toluene over cluster-derived gold/iron catalysts

Paper ID Volume ID Publish Year Pages File Format Full-Text
42286 45919 2010 9 PDF Available
Title
Catalytic combustion of toluene over cluster-derived gold/iron catalysts
Abstract

The total oxidation of toluene was investigated over TiO2-supported gold/iron catalysts prepared utilizing the [NEt4][AuFe4(CO)16] bimetallic carbonyl cluster salts. The catalysts have been characterized by means of infra-red spectroscopy (FT-IR), inductively coupled plasma spectrometry (ICP), X-ray diffraction (XRD), high-resolution transmission electron microscopy (HRTEM), total specific surface area (BET), X-ray photoelectron spectroscopy (XPS) and temperature programmed reduction (TPR) analyses. The novel preparation method resulted in iron oxide species finely and homogeneously distributed on the TiO2 and on small gold nanoparticles. The presence of gold has been found to enhance the selectivity of iron oxides towards the complete oxidation of toluene while the extent of the interaction between the two metals is important for catalytic activity.

Graphical abstractThe total oxidation of toluene was investigated over TiO2-supported gold/iron catalysts prepared utilizing the [NEt4][AuFe4(CO)16] bimetallic carbonyl cluster salts. The novel preparation method resulted in iron oxide species finely and homogeneously distributed on the TiO2 and on small gold nanoparticles. The presence of gold has been found to enhance the selectivity of iron oxides while the extent of the interaction between the two metals is important for catalytic activity.Figure optionsDownload full-size imageDownload high-quality image (63 K)Download as PowerPoint slide

Keywords
Catalytic combustion; Gold/iron catalysts; Cluster-derived catalysts
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Catalytic combustion of toluene over cluster-derived gold/iron catalysts
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Publisher
Database: Elsevier - ScienceDirect
Journal: Applied Catalysis A: General - Volume 372, Issue 2, 15 January 2010, Pages 138–146
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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