Aqueous Au-Pd colloids catalyze selective CH 4 oxidation to CH 3 OH with O 2 under mild conditions

Author:

Agarwal Nishtha1ORCID,Freakley Simon J.1ORCID,McVicker Rebecca U.1ORCID,Althahban Sultan M.2ORCID,Dimitratos Nikolaos1ORCID,He Qian1ORCID,Morgan David J.1ORCID,Jenkins Robert L.1ORCID,Willock David J.1ORCID,Taylor Stuart H.1,Kiely Christopher J.12ORCID,Hutchings Graham J.1ORCID

Affiliation:

1. Cardiff Catalysis Institute, School of Chemistry, Cardiff University, Main Building, Park Place, Cardiff CF10 3AT, UK.

2. Department of Materials Science and Engineering, Lehigh University, 5 East Packer Avenue, Bethlehem, PA 18015, USA.

Abstract

A radical route from methane to methanol The conversion of methane into chemicals usually proceeds through high-temperature routes that first form more reactive carbon monoxide and hydrogen. Agarwal et al. report a low-temperature (50°C) route in aqueous hydrogen peroxide (H 2 O 2 ) for oxidizing methane to methanol in high yield (92%). They used colloidal gold-palladium nanoparticles as a catalyst. The primary oxidant was O 2 ; isotopic labeling showed that H 2 O 2 activated methane to methyl radicals, which subsequently incorporated O 2 . Science , this issue p. 223

Funder

National Science Foundation

Cardiff University

Saudi Arabian government-Jazan University

Publisher

American Association for the Advancement of Science (AAAS)

Subject

Multidisciplinary

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