Physical mixing of metal acetates: a simple, scalable method to produce active chloride free bimetallic catalysts

Simon A. Kondrat; Greg Shaw; Simon J. Freakley; Qian He; Joanna Hampton; Jennifer K. Edwards; Peter J. Miedziak; Thomas E. Davies; Albert F. Carley; Stuart H. Taylor; Christopher. J. Kiely; Graham J. Hutchings

doi:10.1039/C2SC20450A

Physical mixing of metal acetates: a simple, scalable method to produce active chloride free bimetallic catalysts†

Simon A. Kondrat,^a Greg Shaw,^a Simon J. Freakley,^a Qian He,^b Joanna Hampton,^a Jennifer K. Edwards,^a Peter J. Miedziak,^a Thomas E. Davies,^a Albert F. Carley,^a Stuart H. Taylor,^a Christopher. J. Kiely^b and Graham J. Hutchings*^a

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* Corresponding authors

^a Cardiff Catalysis Institute, School of Chemistry, Cardiff University, Main Building, Park Place, Cardiff, CF10 3AT, UK
E-mail: hutch@cardiff.ac.uk
Fax: +44 (0)29 2087 4059

^b Department of Materials Science and Engineering, Lehigh University, 5 East Packer Avenue, Bethlehem, PA 18015-3195, USA

Abstract

We have prepared supported gold, palladium and gold–palladium bimetallic catalysts by the physical mixing of the acetate salts of the metals followed by a simple heat treatment. The use of the acetates as the metal precursor eliminates chloride from the catalyst preparation step. Extensive characterisation shows the formation of bimetallic alloy particles. These catalysts are extremely active for alcohol oxidations and the direct formation of hydrogen peroxide.

Chemical Science

Physical mixing of metal acetates: a simple, scalable method to produce active chloride free bimetallic catalysts†

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Physical mixing of metal acetates: a simple, scalable method to produce active chloride free bimetallic catalysts

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