Synthesis of urchin-like Co3O4 hierarchical micro/nanostructures and their photocatalytic activity |
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| Authors: | Hui LiGuang Tao Fei Ming FangPing Cui Xiao GuoPeng Yan Li De Zhang |
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| Institution: | a Key Laboratory of Materials Physics and Anhui Key Laboratory of Nanomaterials and Nanotechnology, Institute of Solid State Physics, Hefei Institutes of Physical Science, Chinese Academy of Sciences, PO Box 1129, Hefei 230031, People's Republic of China
b Binzhou Medical University, Binzhou, Shandong 256600, People's Republic of China |
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| Abstract: | Urchin-like Co3O4 hierarchical micro/nanostructures have been successfully synthesized by calcining urchin-like precursor CoCO3, which are prepared by a facile hydrothermal route. The particle size of the urchin-like Co3O4 could be easily controlled by altering the calcination temperature. The morphology and structure of the as-prepared urchin-like products were characterized by XRD, FESEM and TEM. Photocatalytic measurement demonstrates that these urchin-like Co3O4 micro/nanostructures show good photocatalytic effect and their degradation efficiency is strongly dependent on their particle size. Furthermore, a plausible reaction mechanism is also proposed to illustrate the photocatalytic processes of Co3O4. |
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| Keywords: | Co3O4 Urchin-like structure Hydrothermal Photocatalytic Particle size |
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