Preparation and Characterization of Co-Mo/γ-Al2O3, Ni-Mo/γ-Al2O3and (Co/Ni)-Mo/γ-Al2O3Metal Oxides by Sol-Gel Process
Halit Eren FigenSema Z. Baykara
Abstract
In this study, Co-Mo/γ-Al 2 O 3 , Ni-Mo/γ-Al 2 O 3 and (Co/Ni)-Mo/γ-Al 2 O 3 metal oxides have been prepared by the sol-gel process using citric acid and calcined at 800 • C for 5 h.Phases of synthesized materials were characterized with X-ray diffraction.Morphological analysis and elemental composition of oxides were determined by scanning electron microscope and energy dispersion spectroscopy.Surface analyses of the metal oxides have been studied using the Brunner-Emmett-Teller surface analyzer.Effects of substitution of cobalt and nickel together on the physical properties of the synthesized oxides were also investigated.
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