Abstract
To promote the application of BaTi4O9 in higher-end fields, BaTi4O9 precursor has been prepared with sol-gel method (SGM. The objective products have been obtained at different temperatures and SSR-BaTi4O9 samples has been prepared for compare experiments. The studies of thermal analysis, XRD analysis, TEM analysis, specific surface area analysis, DRS analysis and FS analysis show: the crystalline of the product obtained by SGM is more purity than the product obtained by SSR; The SGM600 sample is amorphous, which can be used as an optical catalyst because of the maximum specific surface area; The SGM1000 sample is the most pure, uniform and complete in crystal.
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