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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: Hydrothermal Synthesis and Photocatalytic Activity of Fe3+ Doped TiO2 Powders
Source: Proceedings of the 7th National Conference on Functional Materials and Applications (FMA 2010 E-BOOK) (pp 2009-2012)
Author(s): Guo-hong Wang, College of Chemistry and Environment Engineering, Hubei Normal University, Huangshi，China
Ting-ting Yin, College of Chemistry and Environment Engineering, Hubei Normal University, Huangshi，China
Lin Xu, College of Chemistry and Environment Engineering, Hubei Normal University, Huangshi，China
Li-qin Zhou, College of Chemistry and Environment Engineering, Hubei Normal University, Huangshi，China
Abstract: Fe3+-doped anatase nanosized TiO2 powders were synthesized by a hydrothermal method using tetrabutylorthotitanate as precursor. The as-prepared TiO2 powders were characterized by X-ray diffraction (XRD), transmission electron microscopy (TEM) and high-resolution transmission electron microscopy (HRTEM), and N2 adsorption-desorption measurements. The photocatalytic activity of the as-prepared TiO2 powders was evaluated by the photocatalytic degradation of acetone under UV-light irradiation at room temperature in air. The effects of Fe3+dopant content on the microstructures and photocatalytic activity of the TiO2 powders were investigated and discussed. Fe3+dopant content obviously influenced the crystallization, crystallite size, BET specific surface areas and photocatalytic activity of the prepared TiO2 powders. It was found that the photocatalytic activity of TiO2 doped exceeded those of non-doped TiO2 and P25.
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