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Preparation, photocatalytic activity and mechanism of nano-Titania/Nafion hybrid membrane

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Abstract

Nano-Titania/Nafion (TiO2/Nafion) hybrid membranes were prepared by recasting, using Nafion solution and TiO2 anatase hydrosol as the raw materials. The microstructure of the hybrid membrane was characterized by X-ray diffraction, high-resolution transmission electron microscopy (HR-TEM), X-ray Photoelectron Spectroscopy and Fourier Transform Infrared Spectroscopy (FT-IR). The photocatalytic properties of TiO2/Nafion hybrid membranes were evaluated. Furthermore, endurance of photocatalytic activity of the hybrid membrane was investigated. The results indicate that the TiO2 Nanoparticles are bounded to Nafion molecule via Ti-O-S bonds and the formed flocculates are distributed homogeneously throughout the recasting Nafion membrane, while the initial pure anatase TiO2 nanoparticles remain intact in re-crystallized membrane. The hybrid membranes possessed excellent photocatalytic activities with and without H2O2. Moreover, the degradation of photocatalytic activities has been better controlled with the presence of H2O2.

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Acknowledgment

This work was supported by the major scientific and technological project (No.ZD2007001) from the Ministry of Education of Zhejiang Province. This work was supported by Science and Technology Innovative Research Team of Zhejiang Province (No. 2009R5001).

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Authors and Affiliations

  1. Department of Materials Science and Engineering, Zhejiang University, 38 Zheda Road, Hangzhou, 310027, China

    Xingeng Ding, Simin Zhou & Hui Yang

  2. Department of Chemistry and Chemical Engineering, Mingjiang College, Fuzhou, 350108, China

    Lifang Jiang

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  1. Xingeng Ding
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  2. Simin Zhou
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  4. Hui Yang
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Correspondence to Xingeng Ding.

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Ding, X., Zhou, S., Jiang, L. et al. Preparation, photocatalytic activity and mechanism of nano-Titania/Nafion hybrid membrane. J Sol-Gel Sci Technol 58, 345–354 (2011). https://doi.org/10.1007/s10971-011-2399-6

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  • DOI: https://doi.org/10.1007/s10971-011-2399-6

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