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Ambient pressure photoelectron spectroscopy (APPES) has been used to study the adsorption of nitric oxide (NO) and molecular oxygen (O 2 ) over gold-based model catalysts consisting of mono-dispersed gold nanoparticles with different diameters (2–5nm) and oxide supports (including polycrystalline silica and titania thin films). APPES is an in situ technique that makes possible to monitor via...
The influence of the metal cluster size and the support on the reactivity of gold-based catalysts has been studied in the CO oxidation reaction. To overcome the structural complexity of the supported catalysts, gold nanoparticles synthesized from colloidal chemistry with precisely controlled size have been used. Those particles were supported over SiO 2 and TiO 2 and their catalytic...
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