NDLI: Novel sol–gel synthesis of N-doped TiO$_{2}$ hollow spheres with high photocatalytic activity under visible light

Content Provider	SpringerLink
Author	Qiao, Min Chen, Qiang Wu, Shishan Shen, Jian
Copyright Year	2010
Abstract	Novel ammonia and triethanolamine assisted sol–gel synthesis method was developed to fabricate the N-doped TiO$_{2}$ hollow spheres. The prepared hollow spheres were in submicron size and had good morphology and high specific surface area. Polystyrene (PS) latexes in size of 470 nm were used as the templates to fabricate PS/TiO$_{2}$ core–shell spheres. Here ammonia and triethanolamine was first employed together to control the sol–gel process. The N-doped TiO$_{2}$ hollow spheres were got after calcinations of the core–shell spheres by using triethanolamine as N source, and the amount of doped N could be easily adjusted by changing the amount of triethanolamine. The hollow spheres had distinct visible light response, and the optical response shifted more to the visible region as the amount of doped N increases. The photodegradation of methylene blue expressed the high photocatalytic activity of the N-doped TiO$_{2}$ hollow spheres under visible light.
Starting Page	377
Ending Page	384
Page Count	8
File Format	PDF
ISSN	09280707
Journal	Journal of Sol-Gel Science and Technology
Volume Number	55
Issue Number	3
e-ISSN	15734846
Language	English
Publisher	Springer US
Publisher Date	2010-05-25
Publisher Place	Boston
Access Restriction	Subscribed
Subject Keyword	Titania Hollow sphere Nitrogen doping Ammonia Triethanolamine Photocatalytic activity Nanotechnology Optical and Electronic Materials Inorganic Chemistry Ceramics, Glass, Composites, Natural Methods
Content Type	Text
Resource Type	Article
Subject	Biomaterials Electronic, Optical and Magnetic Materials Condensed Matter Physics Ceramics and Composites Materials Chemistry Chemistry

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