Photocatalytic Abatement of Volatile Organic Compounds by TiO Nanoparticles Doped with Either Phosphorous or Zirconium.

The aim of this work is to study the activity of novel TiO-based photocatalysts doped with either phosphorus or zirconium under a UV-Vis source. A set of mesoporous catalysts was prepared by the direct synthesis: TiO_A and TiO_B (titanium oxide synthesized by two different procedures), P-TiO and Zr-TiO (binary oxides with either nonmetal or metal into the TiO framework). Complementary characterizations (N physisorption at 77 K, X-ray powder diffraction (XRD), field emission scanning electron microscopy (FESEM), energy dispersive X-ray (EDX) analysis, X-ray Photoelectron Spectroscopy (XPS), and (DR)UV-Vis spectroscopy) were used to investigate the physicochemical properties of the prepared catalysts.

CO and Soot Oxidation over Ce-Zr-Pr Oxide Catalysts.

A set of ceria, ceria-zirconia (Ce 80 at.%, Zr 20 at.%), ceria-praseodymia (Ce 80 at.

Study on the CO Oxidation over Ceria-Based Nanocatalysts.

A series of ceria nanocatalysts have been prepared to study the structure dependency of the CO oxidation reaction. The ceria samples with well-defined nanostructures (nanocubes/Ce-NC and nanorods/Ce-NR) have been prepared using the hydrothermal method. Mesoporous ceria (Ce-MES) and ceria synthesized with solution combustion technique (Ce-SCS) have also been prepared for comparison.