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FABRICATION AND PHOTOCATALYTIC PROPERTIES OF TiO2 NANOFILMS CO-DOPED WITH Fe3+ AND Bi3+ IONS

Author

Listed:
  • QIONGZHI GAO

    (College of Materials and Energy, South China Agricultural University, Guangzhou 510642, P. R. China)

  • XIN LIU

    (College of Materials and Energy, South China Agricultural University, Guangzhou 510642, P. R. China)

  • WEI LIU

    (College of Materials and Energy, South China Agricultural University, Guangzhou 510642, P. R. China)

  • FANG LIU

    (College of Materials and Energy, South China Agricultural University, Guangzhou 510642, P. R. China)

  • YUEPING FANG

    (College of Materials and Energy, South China Agricultural University, Guangzhou 510642, P. R. China)

  • SHIYING ZHANG

    (#x2020;Key Laboratory of Application Technology of Environmental Photocatalysis of Hunan Province, Changsha University, Changsha 410022, P. R. China)

  • WUYI ZHOU

    (College of Materials and Energy, South China Agricultural University, Guangzhou 510642, P. R. China)

Abstract

In this work, the titanium dioxide (TiO2) nanofilms co-doped with Fe3+ and Bi3+ ions were successfully fabricated by the sol–gel method with dip-coating process. Methylene blue was used as the target degradation chemical to study the photocatalytic properties affected by different doping contents of Fe3+ and Bi3+ ions. The samples were characterized by X-ray diffractometer (XRD), scanning electron microscopy (SEM) and infrared (IR) spectroscopy. The results indicated that both pure TiO2 nanofilms and single-doped samples possessed the photocatalytic activity in degradation of methylene blue. However, when the nanofilms co-doped with Fe3+ and Bi3+ ions were fabricated at the molar ratio of 3:1 (Fe3+:Bi3+), they exhibited the best photocatalytic activity after the heat treatment at 500∘C for 2h. The wettability property test indicated that the TiO2 nanofilms co-doped with Fe3+ and Bi3+ ions in the molar ratio 3:1 owned an excellent hydrophilic property.

Suggested Citation

  • Qiongzhi Gao & Xin Liu & Wei Liu & Fang Liu & Yueping Fang & Shiying Zhang & Wuyi Zhou, 2016. "FABRICATION AND PHOTOCATALYTIC PROPERTIES OF TiO2 NANOFILMS CO-DOPED WITH Fe3+ AND Bi3+ IONS," Surface Review and Letters (SRL), World Scientific Publishing Co. Pte. Ltd., vol. 23(02), pages 1-8, April.
  • Handle: RePEc:wsi:srlxxx:v:23:y:2016:i:02:n:s0218625x15500997
    DOI: 10.1142/S0218625X15500997
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