Switching-off toluene formation in the solvent-free oxidation of benzyl alcohol using supported trimetallic Au-Pd-Pt nanoparticles

He, Qian, Miedziak, Peter John, Kesavan, Lokesh, Dimitratos, Nikolaos, Meenakshisundaram, Sankar, Lopez-Sanchez, Jose Antonio, Forde, Michael M., Edwards, Jennifer Kelly, Knight, David William, Taylor, Stuart Hamilton, Kiely, Christopher John and Hutchings, Graham John 2013. Switching-off toluene formation in the solvent-free oxidation of benzyl alcohol using supported trimetallic Au-Pd-Pt nanoparticles. Faraday Discussions 162 , pp. 365-378. 10.1039/c2fd20153d

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Abstract

Trimetallic Au–Pd–Pt nanoparticles have been supported on activated carbon by the sol-immobilisation method. They are found to be highly active and selective catalysts for the solvent-free aerobic oxidation of benzyl alcohol. The addition of Pt promotes the selectivity to the desired product benzaldehyde at the expense of toluene formation. Detailed aberration corrected STEM-XEDS analysis confirmed that the supported particles are indeed Au–Pd–Pt ternary alloys, but also identified composition fluctuations from particle-to-particle which vary systematically with nanoparticle size.

Item Type:	Article
Date Type:	Publication
Status:	Published
Schools:	Cardiff Catalysis Institute (CCI) Chemistry
Subjects:	Q Science > QD Chemistry
Publisher:	Royal Society of Chemistry
ISSN:	1359-6640
Funders:	EPSRC
Date of First Compliant Deposit:	30 March 2016
Last Modified:	12 Mar 2020 15:10
URI:	http://orca.cf.ac.uk/id/eprint/49030

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