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EFFECT OF METAL IONS ON PHOTOCATALYTIC PERFORMANCE OF TiO2 FILM PREPARED BY MICRO-ARC OXIDATION

Author

Listed:
  • ZHONGCAI SHAO

    (School of Environmental and Chemical Engineering, Shenyang Ligong University, Shenyang 110159, P. R. China)

  • YONGHUI CUI

    (School of Environmental and Chemical Engineering, Shenyang Ligong University, Shenyang 110159, P. R. China)

  • XIAODAN LI

    (School of Environmental and Chemical Engineering, Shenyang Ligong University, Shenyang 110159, P. R. China)

  • LINA YU

    (School of Environmental and Chemical Engineering, Shenyang Ligong University, Shenyang 110159, P. R. China)

  • XIAOYI SHEN

    (#x2020;School of Metallurgy, Northeastern University, Shenyang 110004, P. R. China)

Abstract

The effect of different metal ions on the photocatalytic property of TiO2 film prepared by micro-arc oxidation was studied. Photocatalytic experiments showed that the impregnation of metal ions increased the photocatalytic efficiency of TiO2. The increase of transition element Fe3+ and the rare earth element Dy3+ is more obvious, and the optimum concentration is 0.1mol/L. The SEM results showed that there was no significant change on the surface of TiO2 film before and after metal ion immersion. The results of EDS surface scanning showed that Fe and Dy elements were uniformly distributed on the surface of TiO2 film after metal ion impregnation, and the deposition amounts were 0.81% and 3.39%, respectively. XRD results showed that a new phase was formed in Fe3+-impregnated TiO2, which could improve the photocatalytic efficiency.

Suggested Citation

  • Zhongcai Shao & Yonghui Cui & Xiaodan Li & Lina Yu & Xiaoyi Shen, 2020. "EFFECT OF METAL IONS ON PHOTOCATALYTIC PERFORMANCE OF TiO2 FILM PREPARED BY MICRO-ARC OXIDATION," Surface Review and Letters (SRL), World Scientific Publishing Co. Pte. Ltd., vol. 27(01), pages 1-7, January.
  • Handle: RePEc:wsi:srlxxx:v:27:y:2020:i:01:n:s0218625x19500938
    DOI: 10.1142/S0218625X19500938
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