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Citation: SHAO Ying, XUE Kuan-Hong, CHEN Qiao-Ling, HE Chun-Jian, TAO Fei-Fei, SHEN Wei, LIU Chuan, FENG Yu-Ying. Photocatalytical Degradation over TiO₂ Nanotubes[J]. Chinese Journal of Applied Chemistry, ;2003, 20(5): 433-436. shu

Photocatalytical Degradation over TiO₂ Nanotubes

1.
a Department of Chemisty, Nanjing Normal University, Nanjing 210097;
2.
b Analysis & Testing Center, Nanjing Normal University, Nanjing

Corresponding author: XUE Kuan-Hong,
Received Date: 5 November 2002
Available Online: 20 January 2003
Fund Project: 国家自然科学基金(29973014) (29973014)

Anatase TiO₂ nanotubes were prepared from tetrabutyl titanate (Ti(OC₄H₉)₄) using porous alumina as a template.The nanotubes exhibited uniform diameter,but rough walls and consisted of small crystals.They manifest high photocatalytic activity in the degradation of sodium dodecyl benzene sulfonate (SDBS) with bubbling air.About 30% SDBS was degraded under 20 min irradiation.UV-vis spectra and the structure identification revealed that the TiO₂ nanotubes have greater energy gap,less possibility for the combination of electron-hole pairs,to give stronger redox ability and higher photocatalytic activity than TiO₂ film.
- TiO₂ nanotube,
- photocatalysis,
- sodium dodecyl benzene sulfonate,
- UV-vis spectra
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Photocatalytical Degradation over TiO₂ Nanotubes