Gold as a modifier of metal nanoparticles: effect on structure and catalysis | Zendy

Laura Prati | Zendy; Alberto Villa | Zendy; Andrea Jouve | Zendy; A. Beck | Zendy; Claudio Evangelisti | Zendy; Aditya Savara | Zendy

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Gold as a modifier of metal nanoparticles: effect on structure and catalysis

Author(s) -

Laura Prati,

Alberto Villa,

Andrea Jouve,

A. Beck,

Claudio Evangelisti,

Aditya Savara

Publication year - 2018

Publication title -

faraday discussions

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.255

H-Index - 110

eISSN - 1364-5498

pISSN - 1359-6640

DOI - 10.1039/c7fd00223h

Subject(s) - bimetallic strip , catalysis , metal , nanoparticle , colloidal gold , materials science , nanotechnology , chemical engineering , chemistry , metallurgy , organic chemistry , engineering

Bimetallic gold based catalysts have been prepared using a sol immobilisation technique. Despite a very similar metal dispersion, different structures are revealed depending on the second metal, with alloyed systems being preferred in the case of Pd, Pt and Cu, and core-shell in the case of Ru. A positive synergistic effect between the metals has been revealed only in the cases of Pd and Cu in the oxidation of benzyl alcohol. AuPd/C has been also studied in the hydrogenation of benzaldehyde where the bimetallic catalyst revealed a different selectivity compared to the monometallic counterpart.

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