Abstract
Au–Pd colloidal NPs immobilised on ceria nanorods are highly active catalysts for selective oxidation.
Highlights
Since it was first reported by Haruta[1] and Hutchings,[2] the unique catalytic properties of supported gold nanoparticles (NPs) have been extensively studied over the past few decades
We have recently demonstrated that bimetallic Au–Pd NPs prepared by colloidal synthesis can be immobilised on titanate nanotubes to create a very active selective oxidation catalyst.[23]
The Brunauer–Emmett– Teller (BET) surface area, pore volume, and mean pore diameter of the as-synthesised Ti-NT and Ce-NRs are given in Table S1,† and are typical of powders composed of Ti-NTs and Ce-NRs
Summary
Since it was first reported by Haruta[1] and Hutchings,[2] the unique catalytic properties of supported gold nanoparticles (NPs) have been extensively studied over the past few decades. The catalytic activity of supported gold-based catalysts is highly influenced by the nature of the support and its physiochemical properties, the metal particle size, and the catalyst preparation method. It has been demonstrated that highly-dispersed Au NPs ≤ 5 nm in size typically exhibit the highest catalytic activity.[9,10] Au and Au–Pd NPs supported on Al2O3, SiO2 and carbon are active for selective
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