Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/33958
Title: Effect of carbon doping on the mesoporous structure of nanocrystalline titanium dioxide and its solar-light-driven photocatalytic degradation of NOx
Authors: Huang, Y
Ho, W
Lee, S 
Zhang, L
Li, G
Yu, JC
Issue Date: 2008
Publisher: Amer Chemical Soc
Source: Langmuir, 2008, v. 24, no. 7, p. 3510-3516 How to cite?
Journal: Langmuir 
Abstract: Effective mesoporous nanocrystalline C-doped TiO2 photocatalysts were synthesized through a direct solution-phase carbonization using titanium tetrachloride and diethanolamine as precursors. X-ray photoelectron spectroscopy (XPS) results revealed that oxygen sites in the TiO2 lattice were substituted by carbon atoms and formed a C - Ti - O - C structure. The absorption region of the as-prepared TiO2 was extended to the visible light region in view of the substitution for oxygen sites by carbon atoms. The photocatalytic activities of the as-prepared samples were tested in a flow system on the degradation of NO at typical indoor air levels under simulated solar-light irradiation. The samples showed a more effective removal efficiency than commercial photocatalyst (P25) on the degradation of the common indoor pollutant NO. The parameters significantly affecting the mesoporous structure and removal efficiency on indoor air were also investigated.
URI: http://hdl.handle.net/10397/33958
DOI: 10.1021/la703333z
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