Preparation, Characterization and Photocatalytic Activity of F, Fe-Codoped Nano-TiO2

Chun Yan Yan; Wen Tao Yi

doi:10.4028/www.scientific.net/AMM.448-453.169

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 448-453Preparation, Characterization and Photocatalytic...

Preparation, Characterization and Photocatalytic Activity of F, Fe-Codoped Nano-TiO₂

Abstract:

Pure and F, Fe-codoped TiO₂ were prepared by sol-hydrothermal process, in which titanium (IV) n-butoxide, Fe (NO₃)₂·6H₂O and NH₄F were used as precursors. And the samples were characterized by X-ray diffraction (XRD), UV-vis diffuse reflectance spectroscopy (DRS), scanning electron microscopy (SEM), and N₂ adsorption-desorption method. The results showed that the F, Fe-codoped samples were principally single-phase anatase structures, and the particles possessed higher BET area than that of pure TiO₂. The photocatalytic activity and reusability of the catalysts under UV light (365nm) was investigated with neutral red as the model compound. The results showed that F (2.0%), Fe (4.0%) codoped TiO₂ had the highest photocatalytic activity among all as-prepared samples. The kinetic study showed that this photocatalytic process coincided with the Langmuir-Hinshelwood (L-H) pseudo first order reaction model.

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Applied Mechanics and Materials (Volumes 448-453)

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169-173

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https://doi.org/10.4028/www.scientific.net/AMM.448-453.169

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Online since:

October 2013

Authors:

Chun Yan Yan, Wen Tao Yi

Keywords:

F, Fe-Codoped TiO₂, Nanoparticle, Neutral Red, Photocatalytic Activity, Sol-Hydrothermal Method

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