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 |
| 卷 | 10 |
| 發行號 | 6 |
| DOIs | |
| 出版狀態 | 已出版 - 11 2010 |
指紋
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