Effect of carbon doping on the mesoporous structure of nanocrystalline titanium dioxide and its solar-light-driven photocatalytic degradation of NOx

Effective mesoporous nanocrystalline C-doped TiO(2) 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 TiO(2) lattice were substi...

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Veröffentlicht in:Langmuir : the ACS journal of surfaces and colloids. - 1992. - 24(2008), 7 vom: 01. Apr., Seite 3510-6
1. Verfasser: Huang, Yu (VerfasserIn)
Weitere Verfasser: Ho, Wingkei, Lee, Shuncheng, Zhang, Lizhi, Li, Guisheng, Yu, Jimmy C
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2008
Zugriff auf das übergeordnete Werk:Langmuir : the ACS journal of surfaces and colloids
Schlagworte:Journal Article Research Support, Non-U.S. Gov't Nitrogen Oxides titanium dioxide 15FIX9V2JP Carbon 7440-44-0 Titanium D1JT611TNE
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520 |a Effective mesoporous nanocrystalline C-doped TiO(2) 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 TiO(2) lattice were substituted by carbon atoms and formed a C-Ti-O-C structure. The absorption region of the as-prepared TiO(2) 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 
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700 1 |a Ho, Wingkei  |e verfasserin  |4 aut 
700 1 |a Lee, Shuncheng  |e verfasserin  |4 aut 
700 1 |a Zhang, Lizhi  |e verfasserin  |4 aut 
700 1 |a Li, Guisheng  |e verfasserin  |4 aut 
700 1 |a Yu, Jimmy C  |e verfasserin  |4 aut 
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