Synthesis and photocatalytic activity of mesoporous SiO2- TiO2

Miki Inada; Naoya Enomoto; Junichi Hojo

doi:10.1007/s11164-010-0120-y

Synthesis and photocatalytic activity of mesoporous SiO₂- TiO₂

Miki Inada, Naoya Enomoto, Junichi Hojo

研究成果: Contribution to journal › Article › 査読

9 被引用数 (Scopus)

抄録

Mesoporous SiO₂-TiO₂ was synthesized by the sol-gel method using Si(OC₂H₅)₄, Ti(OC ₂H₅)₄, and stearyltrimethylammonium chloride. By using acetylacetone as the capping agent of Ti(OC₂H ₅)₄, homogeneous SiO₂-TiO₂ composite was obtained. Spherical mesoporous SiO₂-TiO₂ was also synthesized by the sol-gel method using W/O emulsion under microwave irradiation. The specific surface area of these mesoporous SiO ₂-TiO₂ materials decreased when the Ti/Si molar ratio was higher than 0.1, which indicated that Ti was homogeneously distributed in mesoporous SiO₂ matrix at Ti/Si≤0.1. The photocatalytic activity of mesoporous SiO₂-TiO₂ materials was investigated by the degradation of methyleneblue in water under UV light irradiation. Mesoporous SiO₂-TiO₂ was effective for the adsorption-decomposition of methylene-blue.

本文言語	英語
ページ（範囲）	115-120
ページ数	6
ジャーナル	Research on Chemical Intermediates
巻	36
号	1
DOI	https://doi.org/10.1007/s11164-010-0120-y
出版ステータス	出版済み - 1 2010

All Science Journal Classification (ASJC) codes

Chemistry(all)

文献へのアクセス

10.1007/s11164-010-0120-y

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引用スタイル

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abstract = "Mesoporous SiO2-TiO2 was synthesized by the sol-gel method using Si(OC2H5)4, Ti(OC 2H5)4, and stearyltrimethylammonium chloride. By using acetylacetone as the capping agent of Ti(OC2H 5)4, homogeneous SiO2-TiO2 composite was obtained. Spherical mesoporous SiO2-TiO2 was also synthesized by the sol-gel method using W/O emulsion under microwave irradiation. The specific surface area of these mesoporous SiO 2-TiO2 materials decreased when the Ti/Si molar ratio was higher than 0.1, which indicated that Ti was homogeneously distributed in mesoporous SiO2 matrix at Ti/Si≤0.1. The photocatalytic activity of mesoporous SiO2-TiO2 materials was investigated by the degradation of methyleneblue in water under UV light irradiation. Mesoporous SiO2-TiO2 was effective for the adsorption-decomposition of methylene-blue.",

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