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One-step-impregnation hard templating synthesis of high-surface-area nanostructured mixed metal oxides (NiFe2O4, CuFe2O4 and Cu/CeO2)
Fig. S1 Schematic representation of the hard templating synthesis of mixed metal oxides using nitrate precursors in the presence of organic solvent under reflux. Prior to the reflux step, the given nitrate salts in stoichiometric proportion are pre-mixed together with the mesoporous silica powder and ground in an agate mortar in the presence of the solvent. Note here that the metal nitrate hydrate salts can be liquefied at lower temperature on the surface of the solid than in the bulk when theydoi:10.1039/c1cc13867g pmid:21858306 fatcat:wlc5udu7rvcgjgkrgeo52gbwqu