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Single-step co-deposition of nanostructured tungsten oxide supported gold nanoparticles using a gold-phosphine
Anara Molkenova1, Rozie Sarip2, Sanjay Sathasivam2
1Department of Chemistry, University College London, 20 Gordon Street, WC1H 0AJ London, UK; Department of Chemical Engineering, Graduate School of Science and Engineering, Tokyo Institute of Technology, Japan.
Abstract:
The use of a molecular gold organometallic cluster in chemical vapour deposition is reported, and it is utilized, together with a tungsten oxide precursor, for the single-step co-deposition of (nanostructured) tungsten oxide supported gold nanoparticles (NPs). The deposited gold-NP and tungsten oxide supported gold-NP are highly active catalysts for benzyl alcohol oxidation; both show higher activity than SiO2 supported gold-NP synthesized via a solution-phase method, and tungsten oxide supported gold-NP show excellent selectivity for conversion to benzaldehyde.
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