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Effect of heat-treatment on crystalline phase and UV absorption of 60CeO2-40TiO2 thin films by magnetron sputtering

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Abstract

60CeO2-40TiO2 thin films were deposited on soda-lime silicate glass substrates by R.F. magnetron sputtering. The effects of heat-treatment on the UV-absorption of the thin films were studied on the 60CeO2-40TiO2 thin film with the largest UV cut-off wavelength. The sample films with CeO2:TiO2=60:40 were heated at 773 K, 873 K, 973 K for 30 min. These films are characterized by X-ray diffraction (XRD), scanning electron microscopy (SEM), and X-ray photoelectron spectroscopy and spectrometer (XPS). XRD analysis proves that the addition of TiO2 to CeO2 changed the crystalline state of CeO2. But the UV absorption effect of CeO2-TiO2 films with CeO2 crystallite phase is inferior to that of the amorphous phase CeO2-TiO2 films. XPS analysis also indicates that the amorphous phase CeO2-TiO2 films have the most Ce3+ content in these films. Amorphous phase and crystalline phase of the CeO2-TiO2 films have different effects on UV absorption of the thin films.

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Authors and Affiliations

  1. State Key Laboratory of Silicate Materials for Architectures, Wuhan University of Technology, Wuhan, 430070, China

    Jiamiao Ni  (倪佳苗), Xiujian Zhao  (赵修建) & Qingnan Zhao

  2. Department of Architecture and Material Engineering, Hubei University of Education, Wuhan, 430205, China

    Jiamiao Ni  (倪佳苗)

  3. National Engineering Laboratory for Fiber Optic Sensing Technology, Wuhan University of Technology, Wuhan, 430070, China

    Jiamiao Ni  (倪佳苗)

Authors
  1. Jiamiao Ni  (倪佳苗)
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  2. Xiujian Zhao  (赵修建)
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  3. Qingnan Zhao
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Corresponding author

Correspondence to Xiujian Zhao  (赵修建).

Additional information

Supported by the National Natural Science Foundation of China (No.51032005), the Fundamental Research Funds for the Central Universities (Wuhan University of Technology), the China Postdoctoral Science Foundation (No.2012M511285) and the Fund for the Young Innovative Team(Hubei University of Education) (No.2012KQ05)

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Ni, J., Zhao, X. & Zhao, Q. Effect of heat-treatment on crystalline phase and UV absorption of 60CeO2-40TiO2 thin films by magnetron sputtering. J. Wuhan Univ. Technol.-Mat. Sci. Edit. 27, 881–885 (2012). https://doi.org/10.1007/s11595-012-0567-3

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  • DOI: https://doi.org/10.1007/s11595-012-0567-3

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