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Selective oxidation of methane to methanol via in situ H2O2 synthesis

Ni, Fenglou, Richards, Thomas, Smith, Louise, Morgan, David ORCID:, Davies, Thomas, Lewis, Richard J. and Hutchings, Graham J. ORCID: 2023. Selective oxidation of methane to methanol via in situ H2O2 synthesis. ACS Organic & Inorganic Au 3 (4) , pp. 177-183. 10.1021/acsorginorgau.3c00001

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The selective oxidation of methane to methanol, using H2O2 generated in situ from the elements, has been investigated using a series of ZSM-5-supported AuPd catalysts of varying elemental composition, prepared via a deposition precipitation protocol. The alloying of Pd with Au was found to offer significantly improved efficacy, compared to that observed over monometallic analogues. Complementary studies into catalytic performance toward the direct synthesis and subsequent degradation of H2O2, under idealized conditions, indicate that methane oxidation efficacy is not directly related to H2O2 production rates, and it is considered that the known ability of Au to promote the release of reactive oxygen species is the underlying cause for the improved performance of the bimetallic catalysts.

Item Type: Article
Date Type: Publication
Status: Published
Schools: Chemistry
Cardiff Catalysis Institute (CCI)
Publisher: American Chemical Society
ISSN: 2694-247X
Funders: EPSRC National Facility for XPS (�HarwellXPS�), Wolfson Foundation
Date of First Compliant Deposit: 4 May 2023
Date of Acceptance: 13 April 2023
Last Modified: 23 Jan 2024 14:54

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