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Mechanochemical Strategies for the Preparation of SiO 2 -Supported AgAu Nanoalloy Catalysts
Ist Teil von
Frontiers in chemistry, 2022, Vol.10, p.836597
Ort / Verlag
Switzerland
Erscheinungsjahr
2022
Quelle
EZB Electronic Journals Library
Beschreibungen/Notizen
Silver-gold nanoalloys were prepared from their metal salts precursors through bottom-up mechanochemical synthesis, using one-pot or galvanic replacement reaction strategies. The nanostructures were prepared over amorphous SiO
as an inert supporting material, facilitating their stabilization without the use of any stabilizing agent. The nanomaterials were extensively characterized, confirming the formation of the bimetallic nanostructures. The nanoalloys were tested as catalysts in the hydrogenation of 2-nitroaniline and exhibited up to 4-fold the rate constant and up to 37% increased conversion compared to the respective single metal nanoparticles. Our approach is advantageous to produce nanoparticles with clean surfaces with available catalytic sites, directly in the solid-state and in an environmentally friendly manner.
Sprache
Englisch
Identifikatoren
ISSN: 2296-2646
eISSN: 2296-2646
Titel-ID: cdi_pubmed_primary_35186886
Format
–
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