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Leila Seifikar Gomi,Maryam Afsharpour,Panagiotis Lianos 한국공업화학회 2020 Journal of Industrial and Engineering Chemistry Vol.89 No.-
A novel N-doped SiO2@SiC core shell has been synthesized and functionalized with amino groups. Then,amino hybrid of tungsten oxide was supported on the surface of functionalized SiO2@SiC core shell byimmobilization of tungsten complex and coordination of ethylenediamine to tungsten centers. Then, thecatalytic activities of prepared hybrids were investigated in oxidative desulfurization of model fuels. Toevaluate the role of silicon carbide support, silica nanospheres also were functionalized and its catalyticperformance was compared. The results indicate that the SiC catalyst shows higher catalytic activity(99.9%, 160 min) compared to the SiO2 analogue (61%, 160 min).
Strataki, Nikoleta,Boukos, Nikolaos,Paloukis, Fotis,Neophytides, Stylianos G.,Lianos, Panagiotis Korean Society of Photoscience 2009 Photochemical & photobiological sciences Vol.8 No.5
Titania nanocrystalline films have been deposited on glass slides and loaded with Pt nanoparticles by adsorption from aqueous solutions of sodium tetrachloroplatinate followed by UVA radiation or heat treatment. These metal/semiconductor combined photocatalysts have been used for photooxidation of aqueous ethanol and production of hydrogen. The efficiency of the photocatalytic process was associated with the metal load on the titania films and the size of the metal nanoparticles. Characterization of the combined photocatalyst has been made by X-ray photoelectron spectroscopy and transmission electron microscopy.