Journal
MATERIALS LETTERS
Volume 65, Issue 21-22, Pages 3278-3280Publisher
ELSEVIER
DOI: 10.1016/j.matlet.2011.07.029
Keywords
Nanoparticles; Semiconductors; Microstructure
Funding
- national key basic research development program (973 project) of China [2010CB429006]
- National Natural Science Foundation of China [50830304]
- Natural Science Foundation of Jiangsu province [BK2010076]
- Basic research project of Jiangsu province [BK2008041]
- Fundamental Research Funds for the Central Universities [2010B05714]
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Sn-doped hollow titania spheres were prepared using carbon spheres as template and Sn-doped titania nanoparticles as building blocks. The Sn-doped titania nanoparticles were synthesized under mild condition (low temperature and atmospheric pressure). The prepared hollow spheres were characterized by X-ray diffraction (XRD), transmission electron microscope (TEM) and X-ray photoelectron spectroscopy (XPS). The effects of Sn content on the physical structure and photocatalytic activity of doped hollow titania sphere samples were investigated. It shows that the increasing of Sn content induces the transformation of titania from anatase to rutile phase. Results also showed that there was an optimal Sn-doped content (5%) in our samples for the photocatalytic degradation of Reactive Brilliant Red X-3B (CL reactive red 2). (C) 2011 Elsevier B.V. All rights reserved.
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