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Mesoporous nanocrystalline mixed metal oxides from heterometallic alkoxide precursors: Cobalt-nickel oxide spinels for propane oxidation

Carreon MA, Guliants VV, Yuan L, Hughett AR, Dozier A, Seisenbaeva GA, Kessler VG


Uniform nanocrystalline mesoporous mixed cobalt-nickel spinel phases displaying unimodal pores in the 7-12 nm range and relatively high specific surface areas up to 83 m(2)/g were prepared by a novel low temperature synthesis approach in which the desired metal oxide stoichiometries were introduced on a molecular level by reacting heterometallic alkoxide precursors in the presence of supramolecular liquid crystalline phases. The resultant phases, composed mainly of ca. 8-11 nm uniform cobalt-nickel spinel nanoparticles, were highly promising as low-temperature hydrocarbon combustion catalysts investigated in a model reaction of propane oxidation. (c) Wiley-VCH Verlag GmbH & Co


Mesoporous Co–Ni oxides / Oligomeric surfactants / Nanocrystalline spinels / Thermal stability / Hydrocarbon

Publicerad i

European Journal of Inorganic Chemistry
2006, nummer: 24, sidor: 4983-4988 Utgivare: WILEY-V C H VERLAG GMBH