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 E. Palmer

Research output: Contribution to journalArticlepeer-review

6 Citations (SciVal)

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.

Original languageEnglish
Pages (from-to)4997-5001
Number of pages5
JournalACS Applied Nano Materials
Volume3
Issue number6
Early online date28 May 2020
DOIs
Publication statusPublished - 26 Jun 2020

Funding

We thank Dr. David Morgan for the acquisition of XPS spectra and Dr. Jinlong Yin and Giuseppe Sanzone for assistance provided during the sample preparation. R.C. and S.J.H. are thankful for support from the Engineering and Physical Sciences Research Council (Grant EP/P009050/1).We are thankful for financial support from the EPSRC (Grant Reference No. EP/K006061/2) and the European Union's Horizon 2020 programme through the CritCat project under Grant Agreement No. 686053.

Keywords

  • cluster
  • cluster beam deposition
  • colloidal
  • glycerol
  • gold
  • oxidation

ASJC Scopus subject areas

  • General Materials Science

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