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Porous nickel and cobalt oxides were prepared using their alkoxides as inorganic precursors. The stabilization of the mesostructure is especially critical for divalent elements such as Ni and Co, which do not form any network structure, like silicates. The lack of a network-forming multivalent bond is the probable reason why no stable mesoporous oxides have been synthesized for divalent elements yet...
A sonochemistry-based synthesis method was used to produce nanocrystalline nickel oxide powder with ∼20nm average crystallite diameter from Ni(OH) 2 precursor. Ultrasound waves were applied to the primary solution to intensify the Ni(OH) 2 precipitation. Dried precipitates were calcined at 320°C to form nanocrystalline NiO particles. The morphology of the produced powder was characterized...
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