Silica-Based Mesostructured Materials Induced by Surfactant Assemblies in the Two-Dimensionally Limited Space of a Layered Polysilicate Kanemite

Tatsuo Kimura, Daigo Itoh, Tetsuro Shigeno, Kazuyuki Kuroda

    Research output: Contribution to journalArticle

    15 Citations (Scopus)

    Abstract

    Silica-based mesostructured materials derived from a layered polysilicate kanemite were prepared by reactions with gemini-type diammonium (C 16-3-16, C16-5-16, C16-3-1) surfactants. The surfactants were assembled in the two-dimensionally limited space between the silicate layers of kanemite, leading to the formation of lamellar, 2-d hexagonal, and disordered mesophases. Lamellar phases were formed by using C16-3-16 and C16-5-16 surfactants. An acid treatment of the lamellar C16-5-16-silicate complex induced the transformation into a 2-d hexagonal phase, whereas the C16-3-16-silicate complex retained its lamellar structure after the treatment. A disordered phase was obtained through the reaction of kanemite with C16-3-1 surfactants whose assembly shows a larger surface curvature. The formation of layered surfactant-silicate intermediates under various conditions and the transformation to other mesophases lead to the conclusion that the formation of ordered and disordered mesostructured materials derived from kanemite simply depends on the surfactant assemblies in the two-dimensionally limited space.

    Original languageEnglish
    Pages (from-to)585-590
    Number of pages6
    JournalBulletin of the Chemical Society of Japan
    Volume77
    Issue number3
    DOIs
    Publication statusPublished - 2004

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    Surface-Active Agents
    Silicon Dioxide
    Silicates
    Lamellar structures
    Acids

    ASJC Scopus subject areas

    • Chemistry(all)

    Cite this

    Silica-Based Mesostructured Materials Induced by Surfactant Assemblies in the Two-Dimensionally Limited Space of a Layered Polysilicate Kanemite. / Kimura, Tatsuo; Itoh, Daigo; Shigeno, Tetsuro; Kuroda, Kazuyuki.

    In: Bulletin of the Chemical Society of Japan, Vol. 77, No. 3, 2004, p. 585-590.

    Research output: Contribution to journalArticle

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