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Acta Physico-Chimica Sinica  2007, Vol. 23 Issue (08): 1173-1177    DOI: 10.3866/PKU.WHXB20070807
Article     
One-step Synthesis of Anatase-Crystalline Titania Hollow Spheres in Aqueous Solution
WU Liang-Zhuan; ZHI Jin-Fang
Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing 100080, P. R. China; Graduate University of the Chinese Academy of Sciences, Beijing 100049, P. R. China
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Abstract  A one-step procedure to fabricate anatase crystalline titania hollow spheres was reported. Anatase-crystalline titania hollow spheres were directly fabricated in aqueous solution with peroxo-titanium complex (PTC) as precursor and polystyrene (PS) spheres as template. Compared with the traditionally template method, the surface coating, the template removal and the crystallization of the titania shell were simultaneously finished in a one-step process. Transmission electron microscope (TEM), scanning electron microscopy (SEM), X-ray diffraction (XRD) and thermogravimetric analysis (TGA) were used to characterize the as-prepared titania hollowspheres. A possible formation mechanism was also discussed.

Key wordsHollow spheres      Coating      Titaniumdioxide      Anatase     
Received: 19 March 2007      Published: 19 June 2007
MSC2000:  O648  
Corresponding Authors: ZHI Jin-Fang     E-mail: zhi-mail@mail.ipc.ac.cn
Cite this article:

WU Liang-Zhuan; ZHI Jin-Fang. One-step Synthesis of Anatase-Crystalline Titania Hollow Spheres in Aqueous Solution. Acta Physico-Chimica Sinica, 2007, 23(08): 1173-1177.

URL:

http://www.whxb.pku.edu.cn/Jwk_wk/wlhx/10.3866/PKU.WHXB20070807     OR     http://www.whxb.pku.edu.cn/Jwk_wk/wlhx/Y2007/V23/I08/1173

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