Preparation of aluminum-containing mesoporous silica films

Makoto Ogawa, Kazuyuki Kuroda, Jun Ichi Mori

    研究成果: Article

    35 引用 (Scopus)

    抄録

    Aluminum-containing mesoporous silica films were synthesized by the solvent evaporation method using tetraethoxysilane, aluminum tri(sec-butoxide), and octadecyltrimethylammonium chloride as the silica source, the alumina source, and a supramolecular template, respectively. The Al/Si ratios were 0.004-0.031 in the present synthesis. The resulting films with the Al/Si ratios of 0.004, 0.013, and 0.022 were highly transparent in the wavelength region of 200-800 nm. The porous structures of the aluminum-containing films were characterized by X-ray diffraction, transmission electron microscopy, and nitrogen adsorption. Although the hexagonal pore arrangements were disordered to some extent by the addition of aluminum, the pore size uniformity was confirmed by the nitrogen adsorption isotherms. The cation exchange ability was evaluated by the adsorption of a cationic azobenzene derivative, p-(ω-dimethyl-hydroxyethylammonioethoxy)-azobenzene bromide, which was not adsorbed effectively on a siliceous mesoporous film. The cation exchange ability of the aluminum-containing mesoporous silica films was semiquantitatively controlled by the amount of added aluminum.

    元の言語English
    ページ(範囲)744-749
    ページ数6
    ジャーナルLangmuir
    18
    発行部数3
    DOI
    出版物ステータスPublished - 2002 2 5

    Fingerprint

    Aluminum
    Silicon Dioxide
    Silica
    silicon dioxide
    aluminum
    preparation
    Azobenzene
    adsorption
    Cations
    Ion exchange
    Nitrogen
    Positive ions
    porosity
    Adsorption
    nitrogen
    cations
    Aluminum Oxide
    Bromides
    Adsorption isotherms
    Pore size

    ASJC Scopus subject areas

    • Colloid and Surface Chemistry
    • Physical and Theoretical Chemistry

    これを引用

    Preparation of aluminum-containing mesoporous silica films. / Ogawa, Makoto; Kuroda, Kazuyuki; Mori, Jun Ichi.

    :: Langmuir, 巻 18, 番号 3, 05.02.2002, p. 744-749.

    研究成果: Article

    Ogawa, Makoto ; Kuroda, Kazuyuki ; Mori, Jun Ichi. / Preparation of aluminum-containing mesoporous silica films. :: Langmuir. 2002 ; 巻 18, 番号 3. pp. 744-749.
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    abstract = "Aluminum-containing mesoporous silica films were synthesized by the solvent evaporation method using tetraethoxysilane, aluminum tri(sec-butoxide), and octadecyltrimethylammonium chloride as the silica source, the alumina source, and a supramolecular template, respectively. The Al/Si ratios were 0.004-0.031 in the present synthesis. The resulting films with the Al/Si ratios of 0.004, 0.013, and 0.022 were highly transparent in the wavelength region of 200-800 nm. The porous structures of the aluminum-containing films were characterized by X-ray diffraction, transmission electron microscopy, and nitrogen adsorption. Although the hexagonal pore arrangements were disordered to some extent by the addition of aluminum, the pore size uniformity was confirmed by the nitrogen adsorption isotherms. The cation exchange ability was evaluated by the adsorption of a cationic azobenzene derivative, p-(ω-dimethyl-hydroxyethylammonioethoxy)-azobenzene bromide, which was not adsorbed effectively on a siliceous mesoporous film. The cation exchange ability of the aluminum-containing mesoporous silica films was semiquantitatively controlled by the amount of added aluminum.",
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