Citation: LI Yun-Ling, LI Lin-Zhi, WANG Shu-Hui. Effect of Pretreatment Time on Morphology and Photocatalytic Performance of Co3O4[J]. Chinese Journal of Inorganic Chemistry, ;2015, (3): 472-478. doi: 10.11862/CJIC.2015.066
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Pure spinel Co3O4 powders with different morphologies were synthesized by hydrothermal-pyrolysis methods using cobalt chloride (CoCl2) and sodium carbonate (Na2O3) as the raw materials and sodium oleate (SOA) as the surfactant. The reaction process was followed by TG-DTA, XRD and SEM. The effect of hydrothermal time on the structure, the state of the products and the influence of structure on the photocatalytic performance were studied. The reaction mechanism was suggested. The results indicate that the hydrothermal time is the key to the morphology of the product. The catalytic performance is mainly related to the morphology of the final products.
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