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王航, 徐晨, 甘传先, 张小磊, 张娜. C/Fe3O4@TiO2三元复合光催化剂的制备及可见光催化性能[J]. 应用技术学报, 2019, 19(2): 140-146. DOI: 10.3969/j.issn.2096-3424.2019.02.007
引用本文: 王航, 徐晨, 甘传先, 张小磊, 张娜. C/Fe3O4@TiO2三元复合光催化剂的制备及可见光催化性能[J]. 应用技术学报, 2019, 19(2): 140-146. DOI: 10.3969/j.issn.2096-3424.2019.02.007
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WANG Hang, XU Chen, GAN Chuanxian, ZHANG Xiaolei, ZHANG Na. Synthesis and Efficient Visible Light Photocatalytic Activity of C/Fe3O4@TiO2 Ternary Composite Photocatalyst[J]. Journal of Technology, 2019, 19(2): 140-146. DOI: 10.3969/j.issn.2096-3424.2019.02.007
Citation: WANG Hang, XU Chen, GAN Chuanxian, ZHANG Xiaolei, ZHANG Na. Synthesis and Efficient Visible Light Photocatalytic Activity of C/Fe3O4@TiO2 Ternary Composite Photocatalyst[J]. Journal of Technology, 2019, 19(2): 140-146. DOI: 10.3969/j.issn.2096-3424.2019.02.007
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C/Fe3O4@TiO2三元复合光催化剂的制备及可见光催化性能

Synthesis and Efficient Visible Light Photocatalytic Activity of C/Fe3O4@TiO2 Ternary Composite Photocatalyst

    摘要
  • 摘要: 采用水热法合成Fe-MOF作为前驱体，再采用溶胶凝胶法在表面包裹TiO2，制备出不同比例的C/Fe3O4@TiO2三元复合光催化剂，运用X射线衍射仪、扫描电子显微镜以及能谱仪对C/Fe3O4@TiO2复合光催化剂进行结构表征。结果表明：制备出1:10的C/Fe3O4@TiO2的光催化效率最好，亚甲基蓝的降解率可以达到95.2%，循环使用5次仍可达91.8%，同时有较高的光利用率，可回收利用，在水污染处理等方面有一定的价值。

     

    Abstract: The Fe-MOF was synthesized by hydrothermal method and then coated with TiO2 on the surface by sol-gel method. Different proportions of C/Fe3O4@TiO2 three element composite photocatalyst were prepared. The composite was characterized by X ray diffractometer, scanning electron microscope and energy dispersive spectrometer. The results showed that the 1:10 porous carbon/Fe3O4@TiO2 photocatalyst had better adsorption and catalytic efficiency. The degradation rate of methyl blue could reach 95.2%, and it could still reach 91.8% after five times of recycling. Meanwhile it had higher photocatalytic efficiency and recyclability, which had certain value in water pollution treatment.

     

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