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Simple Design of Hydrophobic Zeolite Material by Modification Using TEFS and its Application as a Support of TiO2 Photocatalyst

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Abstract

Through the simple process using alkoxide reagent containing fluorine, triethoxyfluorosilane (TEFS), hydrophobic mesoporous silica material (HMS) was prepared. The surface modified HMS have still maintained its mesoporous structure and large surface area and showed considerable hydrophobic property compared with non-modified HMS. Moreover the surface modified HMS was applied as a support of TiO2 photocatalyst with the aim of the efficient degradation of organic pollutant in water. Due to the hydrophobic property, the fine TiO2 photocatalyst particles were generated on the modified HMS and both the adsorption properties and photocatalytic activities for the degradation of 2-propanol diluted in water were dramatically increased.

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Acknowledgements

The present work is supported by the Grant-in-Aid for Scientific Research (KAKENHI) from Ministry of Education, Culture, Sports, Science and Technology (No. 1734036), (No. 17360388) & (No. 18656238). The X-ray adsorption experiments were performed at the BL-9A facility of the Photon Factory at the National Laboratory for High-Energy Physics, Tsukuba, Japan.

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Authors and Affiliations

  1. Division of Materials and Manufacturing Science, Graduate School of Engineering, Osaka University, 2-1 Yamada-oka, Suita, Osaka, 565-0871, Japan

    Yasutaka Kuwahara, Keiichi Maki, Takashi Kamegawa, Kohsuke Mori & Hiromi Yamashita

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  1. Yasutaka Kuwahara
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  2. Keiichi Maki
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  3. Takashi Kamegawa
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  4. Kohsuke Mori
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  5. Hiromi Yamashita
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Correspondence to Hiromi Yamashita.

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Kuwahara, Y., Maki, K., Kamegawa, T. et al. Simple Design of Hydrophobic Zeolite Material by Modification Using TEFS and its Application as a Support of TiO2 Photocatalyst. Top Catal 52, 193–196 (2009). https://doi.org/10.1007/s11244-008-9149-1

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  • DOI: https://doi.org/10.1007/s11244-008-9149-1

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