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Gas-phase deposition of gold nanoclusters to produce heterogeneous glycerol oxidation catalysts

Cai, Rongsheng, Malta, Grazia, Haigh, Sarah J., Hutchings, Graham J., Freakley, Simon J. and Palmer, Richard E. 2020. Gas-phase deposition of gold nanoclusters to produce heterogeneous glycerol oxidation catalysts. ACS Applied Nano Materials 3 (6) , pp. 4997-5001. 10.1021/acsanm.0c01140

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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.

Item Type: Article
Date Type: Publication
Status: Published
Schools: Chemistry
Cardiff Catalysis Institute (CCI)
Publisher: ACS publications
ISSN: 2574-0970
Funders: EPSRC
Date of First Compliant Deposit: 3 June 2020
Date of Acceptance: 28 May 2020
Last Modified: 16 Feb 2021 12:03
URI: http://orca.cardiff.ac.uk/id/eprint/132150

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