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Ecology & Safety, Volume 16, 2022

NANOSCALE CU0.5ZN0.5FE2O4 FERRITES HOSTED IN MESOPOROUS TIO2-MO2 (M=CE, ZR, SN) MIXED OXIDES FOR SUSTAINABLE ENVIRONMENTAL PROTECTION
Tanya Tsoncheva
Pages: 1-15
Published: 25 Sep 2022
Views: 409
Downloads: 74
Abstract: This study is aimed at the preparation of homogeneous, nanostructured and high surface area titania doped with CeO2, ZrO2 and SnO2 mesoporous oxides. These materials are used as a host matrix of Cu0.5Zn0.5Fe2O4 ferrite nanoparticles. The obtained composites are characterized by a complex of physicochemical techniques, such as nitrogen physisorption, XRD, SEM, HRTEM, Temperature – programmed reduction with hydrogen, XPS, UV-Vis and Moessbauer spectroscopies. Their catalytic behavior is tested in methanol decomposition as a source of hydrogen and total oxidation of ethyl acetate as a representative volatile organic compound. A synergistic activity between the acidic sites on the mixed oxide surface and the redox transitions in the hosted on them ferrite nanoparticles is well established. This effect is in a complex dependence on the surface and texture characteristics of the mesoporous TiO2-MO2 host matrix. The catalytic properties in both catalytic processes are optimized using mesoporous TiO2-CeO2 mixed oxide as a support of the Cu0.5Zn0.5Fe2O4 ferrite nanoparticles.
Keywords: mesoporous oxides, tio2-ceo2, tio2-zro2, tio2-sno2, cu0.5zn0.5fe2o4 ferrite modifications, methanol decomposition, ethyl acetate oxidation
Cite this article: Tanya Tsoncheva. NANOSCALE CU0.5ZN0.5FE2O4 FERRITES HOSTED IN MESOPOROUS TIO2-MO2 (M=CE, ZR, SN) MIXED OXIDES FOR SUSTAINABLE ENVIRONMENTAL PROTECTION. Journal of International Scientific Publications: Ecology & Safety 16, 1-15 (2022). https://www.scientific-publications.net/en/article/1002329/
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