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 shu

Effect of Pretreatment Time on Morphology and Photocatalytic Performance of Co₃O₄

1.
1 College of Chemistry and Chemical Engineering, Henan Institute of Science and Technology, Xinxiang, Henan 453003, China;
2.
2 Department of Chemistry and Chemical Engineering, Lüliang University, Lüliang, Shanxi 033001, China

Corresponding author: LI Yun-Ling,
Received Date: 20 August 2014
Available Online: 22 December 2014
Fund Project: 河南科技学院2010年度科研启动经费(No.21001061003) (No.21001061003) 2014年新乡市重点科技攻关项目(No.ZG14028)资助项目。 (No.ZG14028)

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.
- hydrothermal methods;thermal decomposition;Co₃O₄;reaction mechanisms;photocatalysis
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Effect of Pretreatment Time on Morphology and Photocatalytic Performance of Co₃O₄