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Information Journal Paper

Title

CHARACTERIZATION AND PHOTOCATALYTIC ACTIVITIES OF NANOSIZED TITANIUM DIOXIDE THIN FILMS

Pages

  545-552

Abstract

 Thin films of titanium dioxide with high surface area are prepared by sol-gel DIP-COATING technique. In this regards, Titania nano sols with high photocatalytic activity were prepared by dissolving titanium alkoxide in alcohol and water under acidic conditions. Photocatalytic activities of titanium dioxide thin films were measured in the presence of methylene blue. Microstructure and photocatalytic activity of the films, nanopowders and titanium dioxide sols were investigated using X-ray diffraction, scanning electron microscopy, specific surface area, zeta sizer and ultraviolet–visible spectrometry techniques. Particle size analysis of sols showed that the mean particle sizes were 15 to 128 nm. X-ray diffraction analyses revealed that anatase crystal structure was produced with crystallite size below 11 nm. Increasing mass percent of anatase phase and specific surface area, enhance the photocatalytic activity. Scanning electron microscopy images showed that the addition of methylcellulose as a dispersant, not only produced rough texture in the thin film, but also enhanced photocatalytic activity. The thin films prepared by using nitric acid as a STABILIZER, revealed higher photocatalytic activity, surface area and sol stability and these data were more than those prepared with acetic acid.

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    APA: Copy

    MASTALI KHAN TEHRANI, F., RASHIDZADEH, M., NEMATI, A., IRANDOUKHT, A., & FARIDNIA, B.. (2011). CHARACTERIZATION AND PHOTOCATALYTIC ACTIVITIES OF NANOSIZED TITANIUM DIOXIDE THIN FILMS. INTERNATIONAL JOURNAL OF ENVIRONMENTAL SCIENCE AND TECHNOLOGY (IJEST), 8(3 (31)), 545-552. SID. https://sid.ir/paper/285329/en

    Vancouver: Copy

    MASTALI KHAN TEHRANI F., RASHIDZADEH M., NEMATI A., IRANDOUKHT A., FARIDNIA B.. CHARACTERIZATION AND PHOTOCATALYTIC ACTIVITIES OF NANOSIZED TITANIUM DIOXIDE THIN FILMS. INTERNATIONAL JOURNAL OF ENVIRONMENTAL SCIENCE AND TECHNOLOGY (IJEST)[Internet]. 2011;8(3 (31)):545-552. Available from: https://sid.ir/paper/285329/en

    IEEE: Copy

    F. MASTALI KHAN TEHRANI, M. RASHIDZADEH, A. NEMATI, A. IRANDOUKHT, and B. FARIDNIA, “CHARACTERIZATION AND PHOTOCATALYTIC ACTIVITIES OF NANOSIZED TITANIUM DIOXIDE THIN FILMS,” INTERNATIONAL JOURNAL OF ENVIRONMENTAL SCIENCE AND TECHNOLOGY (IJEST), vol. 8, no. 3 (31), pp. 545–552, 2011, [Online]. Available: https://sid.ir/paper/285329/en

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