ADSORPTION CHARACTERIZATION OF TRANSITION METALS DOPED NANOSIZED ZNO
Katya I. Milenova, Penko M. Nikolov
Pages: 472-479
Publié: 1 Jan 2013
Vues: 662
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Résumé: ZnO samples, doped with transition metals (Mn and Cu) with content of the dopant less than 0.05 wt % were prepared. The samples were characterized applying the following methods - AAS, XRD, XPS, IR and BET. The calculated crystallite sizes of Mn and Cu doped ZnO nanoparticles were ~20 and ~50 nm, respectively. The porous structure of pure and doped with manganese or copper zinc oxide samples was studied by adsorption methods. The doping does not influence the specific surface areas of the oxides, but it modifies the porous structure of zinc carrier. There is trend to homogeneity in the structure of internal pore space after doping with Mn, while doping with Cu leads to absence of any homogeneity. The obtained materials are appropriate for catalytic application for ecological purposes.
Mots-clés : zno, manganese, copper, nanoparticles, adsorption
Citer cet article : Katya I. Milenova, Penko M. Nikolov. ADSORPTION CHARACTERIZATION OF TRANSITION METALS DOPED NANOSIZED ZNO. Journal of International Scientific Publications: Materials, Methods & Technologies 7, 472-479 (2013). https://www.scientific-publications.net/en/article/1003128/
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