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Gas-Phase Deposition of Gold Nanoclusters to Produce Heterogeneous Glycerol Oxidation Catalysts / Rongsheng Cai, Grazia Malta, Sarah J. Haigh, Graham J. Hutchings, Simon J. Freakley, Richard Palmer

ACS Applied Nano Materials, Volume: 3, Issue: 6, Pages: 4997 - 5001

Swansea University Authors: Rongsheng Cai, Richard Palmer

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DOI (Published version): 10.1021/acsanm.0c01140

Abstract

Gold nanoparticles prepared by colloidal methods are effective catalysts for selective glycerol oxidation under basic conditions. Large-scale synthesis of catalysts by wet chemical methods leads to large amounts of waste and can result in polymer or salt residues remaining on the catalyst. In contra...

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Published in: ACS Applied Nano Materials
ISSN: 2574-0970 2574-0970
Published: American Chemical Society (ACS) 2020
Online Access: Check full text

URI: https://cronfa.swan.ac.uk/Record/cronfa54565
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Abstract: Gold nanoparticles prepared by colloidal methods are effective catalysts for selective glycerol oxidation under basic conditions. Large-scale synthesis of catalysts by wet chemical methods leads to large amounts of waste and can result in polymer or salt residues remaining on the catalyst. In contrast, gas-phase cluster deposition (cluster beam deposition) offers a solvent-free method to synthesize controlled nanoparticles/clusters. We show that the deposition of bare gas-phase gold clusters onto carbon powder leads to a catalyst comparable to that prepared by colloidal methods. This shows the feasibility of the synthesis method to produce oxidation catalysts with reduced waste.
Keywords: gold; colloidal; cluster; cluster beam deposition; glycerol; oxidation
Issue: 6
Start Page: 4997
End Page: 5001