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Photocatalytic TiO2 films deposited by rf magnetron sputtering at different oxygen partial pressure

  • W. S. Lin
  • , C. H. Huang
  • , W. J. Yang
  • , C. Y. Hsu
  • , K. H. Hou
  • Chang Gung University
  • Lunghwa University of Science and Technology

研究成果: 期刊稿件文章同行評審

19 引文 斯高帕斯(Scopus)

摘要

Titanium dioxide (TiO2) films were deposited onto non-alkali glass substrates by r.f. magnetron sputtering at an [O2/(Ar + O 2)] flow-rate of 0, 20, 40, 60 and 70%, respectively. The sputtering pressure was 10 mtorr, substrate temperature was around 450 °C after 3 h deposition. The crystalline structure, surface morphology and photocatalytic activity of the TiO2 films were affected by various [O 2/(O2 + Ar)] flow-rate ratios. The films were characterized by X-ray diffraction (XRD), atomic force microscopy (AFM), scanning electron microscopy (SEM) and UV-vis-NIR spectroscopy. X-ray diffraction spectra showed that all the films display anatase (1 0 1) preferred orientation. Photoinduced decomposition of methylene blue (MB) and photoinduced hydrophilicity were enhanced when the [O2/(Ar + O2)] flow-rate increased to 60%.

原文英語
頁(從 - 到)1461-1466
頁數6
期刊Current Applied Physics
10
發行號6
DOIs
出版狀態已出版 - 11 2010

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