Spectroscopy and computations of supported metal adducts. 1. DFT study of CO and NO adsorption and coadsorption on Cu/SiO(sub 2)

Article Abstract:

The CO and NO molecules are investigated with Cu(super II) and Cu(sub I) isolated sites on the amorphous silica surface by means of density functional theory (DFT) method within finite cluster model approach. The interaction energies show that in the CO/NO reaction mixture adsorption is selective and allows discrimination between Cu(sub I) and Cu(sub II) sites.

Density functionals, Density functional theory

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Preparation and characterization of the antibacterial Cu nanoparticle formed on the surface of Si[O.sub.2] nanoparticles

Article Abstract:

A study of Cu deposition on the surface of spherical Si[O.sub.2] nanoparticles is conducted to achieve the hybrid structure of Cu-Si[O.sub.2] nanocomposite. Excellent antibacterial ability is shown by the homogeneously formed Cu nanoparticles on the surface of Si[O.sub.2] nanoparticles without aggregation of Cu nanoparticles.

Silicon Dioxide, Transmission electron microscopes, Structure, Nanoparticles, Report

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Preparation and characterization of silica supported Au-Pd model catalysts

Article Abstract:

Au-Pd bimetallic model catalysts are synthesized as alloy clusters on SiO2 films and are used for a variety of reactions. The surface composition, physical structure, catalytic properties and morphology are characterized which is critical to understand the role Au plays in enhancing the catalytic properties of Pd.

Gold Compounds, Palladium catalysts

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