Application of Al and Pt nanofilm systems produced by magnetron sputtering for modification of catalytic properties of alumina obtained on ferritic foil / Kazimierz Reszka, Dawid Murzyński, Jan Rakoczy ... więcej

Application of Al and Pt nanofilm systems produced by magnetron sputtering for modification of catalytic properties of alumina obtained on ferritic foil / Kazimierz Reszka, Dawid Murzyński, Jan Rakoczy // Vacuum [Dokument elektroniczny]. – 2009, Vol. 83, Suppl. 1, s. S224-S227 : fot., tab., wykr. – Tryb dostępu: https://www.sciencedirect.com/science/article/pii/S0042207X0900092X. – Bibliogr. 14 poz., Abstr. – Mat. konf.: Seventh International Conference on Ion Implantation and other Applications of Ions and Electrons (ION 2008), Kazimierz Dolny, Poland, 16-19.06.2008. – doi: 10.1016/j.vacuum.2009.01.067. – ISSN 0042-207X

In the process of producing the catalytic systems using the method for oxidation of ferritic foil with a deposited film of catalytic elements, it is important to select the film thickness providing the ... więcej

In the process of producing the catalytic systems using the method for oxidation of ferritic foil with a deposited film of catalytic elements, it is important to select the film thickness providing the best activity of the catalytic system. If the film is deposited prior to the process of oxidation, it is expected that during the growth of oxide crystallites, the film will be broken and the maximum dispersion of catalytic elements will be obtained. If the film is formed of aluminium-active elements, it is expected that the oxide hybrid systems with higher activity of catalytic sites will be produced. Experimental investigations presented in this paper were focused on measuring the thickness of Al and Pt nanofilms and (Pt + Al) composites by the X-ray Reflectivity method, produced by the PVD method, and the morphology of oxide films obtained at various periods of oxidation. The catalytic activity of alumina films coated with Al, Pt nanofilms, Pt/Al and Al/Pt laminates and (Pt + Al) composites was compared, and it was found that the systems with Pt films and Pt/Al laminates revealed the highest activity of basic sites.