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The direct synthesis of hydrogen peroxide over AuPd nanoparticles: an investigation into metal loading

Brehm, Joseph, Lewis, Richard J., Morgan, David J., Davies, Thomas E. and Hutchings, Graham J. 2022. The direct synthesis of hydrogen peroxide over AuPd nanoparticles: an investigation into metal loading. Catalysis Letters 152 , pp. 254-262. 10.1007/s10562-021-03632-6

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Abstract

The direct synthesis of H2O2 from molecular H2 and O2 over AuPd catalysts, supported on TiO2 and prepared via an excess chloride co-impregnation procedure is investigated. The role of Au:Pd ratio on the catalytic activity towards H2O2 formation and its subsequent degradation is evaluated under conditions that have previously been found to be optimal for the formation of H2O2. The combination of relatively small nanoparticles, of mixed Pd-oxidation state is shown to correlate with enhanced catalytic performance. Subsequently, a detailed study of catalytic activity towards H2O2 synthesis as a function of AuPd loading was conducted, with a direct correlation between catalytic activity and metal loading observed.

Item Type: Article
Date Type: Publication
Status: Published
Schools: Chemistry
Cardiff Catalysis Institute (CCI)
Additional Information: This article is licensed under a Creative Commons Attribution 4.0 International License
Publisher: Springer
ISSN: 1011-372X
Funders: EPSRC National Facility for XPS (�HarwellXPS�)
Date of First Compliant Deposit: 6 May 2021
Date of Acceptance: 11 April 2021
Last Modified: 27 Feb 2022 11:51
URI: https://orca.cardiff.ac.uk/id/eprint/140978

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