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Copper supported on nanostructured mesoporous ceria-titania composites as catalysts for sustainable environmental protection: Effect of support composition

  1. 1.
    0484067 - UACH-T 2018 RIV BG eng J - Článek v odborném periodiku
    Issa, G. S. - Tsoncheva, T. - Mileva, A. - Dimitrov, M.D. - Kovacheva, D. - Henych, Jiří - Štengl, Václav
    Copper supported on nanostructured mesoporous ceria-titania composites as catalysts for sustainable environmental protection: Effect of support composition.
    Bulgarian Chemical Communications. Roč. 49, SI D (2017), s. 55-62. ISSN 0324-1130
    Grant ostatní:AV ČR(CZ) BAS-17-13
    Program:Bilaterální spolupráce
    Institucionální podpora: RVO:61388980
    Klíčová slova: Mesoporous nanostructured ceria-titania doped with copper * template-assisted hydrothermal synthesis * ethyl acetate oxidation * methanol decomposition
    Kód oboru RIV: CA - Anorganická chemie
    Obor OECD: Inorganic and nuclear chemistry
    Impakt faktor: 0.242, rok: 2017
    http://www.bcc.bas.bg/BCC_Volumes/Volume_49_Special_D_2017/BCC2017-49-SE-D-055-062.pdf

    Mesoporous ceria-titania binary materials were used as a host matrix of nanosized copper oxide species. The obtained materials were characterized by XRD, nitrogen physisorption, UV-Vis, Raman, FTIR and temperature-programmed reduction with hydrogen. Their catalytic activity was tested in total oxidation of ethyl acetate and methanol decomposition to CO and hydrogen with a potential application in VOCs elimination and alternative fuels, respectively. The variations in the ceria-titania support composition affected the dispersion and the oxidative state of loaded copper species. The facilitated electron transfer between the copper species and ceria-titania support improved the catalytic activity in both catalytic processes and this effect could be successfully controlled by the Ti/Ce ratio in the samples.
    Trvalý link: http://hdl.handle.net/11104/0279230
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