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Proceedings of the 7th National Conference on Functional Materials and Applications (FMA 2010 E-BOOK)

Changsha,China,10.16-10.18,2010

ISBN: 978-1-935068-41-9 Scientific Research Publishing, USA

E-Book 2313pp Pub. Date: October 2010

Category: Chemistry & Materials Science

Price: $360

Title: Characterization and Controlled Synthesis of TiO2 Hollow Microspheres
Source: Proceedings of the 7th National Conference on Functional Materials and Applications (FMA 2010 E-BOOK) (pp 943-945)
Author(s): Jun-qi Li, School of Materials science and engineering, Shaanxi University of Science & Technology, Xi’an, Shaani, 710021 China
Zuo-li He, School of Materials science and engineering, Shaanxi University of Science & Technology, Xi’an, Shaani, 710021 China
Zhen-feng Zhu, School of Materials science and engineering, Shaanxi University of Science & Technology, Xi’an, Shaani, 710021 China
Abstract: Well-defined hollow spherical TiO2 with mesoporous structure have been synthesized via a facile combination of sol-gel and solvothermal processes. The solvothermally treated mesoporous TiO2 hollow microspheres were found to have a high crystallinity with a nanocrystalline anatase structure, whereas untreated materials were found to have an amorphous phase. XRD, SEM, TEM and N2 adsorption were used to characterize the morphology and crystalline phase of the mesoporous TiO2 hollow microspheres. Structural characterization indicates that these mesoporous TiO2 hollow microspheres have an obvious mesoporous structure with an average diameter of about 1?m. The average pore sizes and BET surface areas of the mesoporous TiO2 hollow microspheres are 16.5nm and 90.1m2/g, respectively.
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