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Ceramics international v.43 no.6, 2017년, pp.5351 - 5355   SCI SCIE SCOPUS
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Fabrication of TiO2‒Ag nanocomposite thin films via one-step gas-phase deposition

Kusdianto, K. (Department of Chemical Engineering, Division of Chemistry and Chemical Engineering, Institute of Engineering, Hiroshima University, 1-4-1, Kagamiyama, Higashi‐Hiroshima, Hiroshima, 739-8527, Japan ); Jiang, Dianping (Department of Chemical Engineering, Division of Chemistry and Chemical Engineering, Institute of Engineering, Hiroshima University, 1-4-1, Kagamiyama, Higashi‐Hiroshima, Hiroshima, 739-8527, Japan ); Kubo, Masaru (Department of Chemical Engineering, Division of Chemistry and Chemical Engineering, Institute of Engineering, Hiroshima University, 1-4-1, Kagamiyama, Higashi‐Hiroshima, Hiroshima, 739-8527, Japan ); Shimada, Manabu (Department of Chemical Engineering, Division of Chemistry and Chemical Engineering, Institute of Engineering, Hiroshima University, 1-4-1, Kagamiyama, Higashi‐Hiroshima, Hiroshima, 739-8527, Japan );
  • 초록  

    Abstract In this work, TiO 2 ‒Ag nanocomposite thin films were fabricated for the first time via simultaneous plasma-enhanced chemical vapor deposition and physical vapor deposition of TiO 2 and Ag nanoparticles in the gas-phase, respectively. The presence of Ag nanoparticles in the prepared nanocomposites has been confirmed using transmission electron microscopy and energy dispersive X-ray spectrometry techniques. The obtained electron microscopy images showed that the average size of TiO 2 ‒Ag nanoparticles was larger than that of pristine TiO 2 . Moreover, the temperature of the anatase transformation into the rutile phase was decreased due to the presence of Ag nanoparticles in the TiO 2 matrix, while the photocatalytic activity of the produced nanocomposite (estimated by studying the degradation of methylene blue aqueous solution under UV irradiation) was 35% greater than that of pristine TiO 2 . Therefore, the addition of Ag nanoparticles into the TiO 2 matrix significantly affected the morphology, phase transformation temperature, and photocatalytic performance of the fabricated material.


  • 주제어

    Plasma-enhanced chemical vapor deposition .   Physical vapor deposition .   Simultaneous deposition .   Photocatalytic activity .   Methylene blue.  

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