Controlled synthesis of nanostructured silica-based materials from designed alkoxysilanes

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    14 Citations (Scopus)

    Abstract

    Recent progress in the synthesis of nanostructured silica-based materials through the self-assembly process using well-designed alkoxysilane precursors is presented. Alkoxysilanes with covalently attached hydrophobic organic tails become amphiphilic when hydrolyzed to form silanol groups, leading to the formation of various mesostructures upon evaporation of solvents. The precursors having large oligosiloxane heads are particularly important because of their ability to form cylindrical assemblies, providing a direct pathway to ordered porous silica by removal of the organic groups. Our recent research includes (i) templated-synthesis of hierarchically ordered structures and (ii) design of molecules having chemically cleavable bonds to generate pores without calcination.

    Original languageEnglish
    Pages (from-to)307-311
    Number of pages5
    JournalJournal of Sol-Gel Science and Technology
    Volume46
    Issue number3
    DOIs
    Publication statusPublished - 2008 Jun

    Fingerprint

    Silicon Dioxide
    Silica
    silicon dioxide
    synthesis
    Calcination
    roasting
    Self assembly
    assemblies
    self assembly
    Evaporation
    evaporation
    porosity
    Molecules
    molecules
    silanol

    Keywords

    • Inorganic-organic hybrid
    • Mesoporous materials
    • Nanobuilding block

    ASJC Scopus subject areas

    • Ceramics and Composites

    Cite this

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    abstract = "Recent progress in the synthesis of nanostructured silica-based materials through the self-assembly process using well-designed alkoxysilane precursors is presented. Alkoxysilanes with covalently attached hydrophobic organic tails become amphiphilic when hydrolyzed to form silanol groups, leading to the formation of various mesostructures upon evaporation of solvents. The precursors having large oligosiloxane heads are particularly important because of their ability to form cylindrical assemblies, providing a direct pathway to ordered porous silica by removal of the organic groups. Our recent research includes (i) templated-synthesis of hierarchically ordered structures and (ii) design of molecules having chemically cleavable bonds to generate pores without calcination.",
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    AU - Kuroda, Kazuyuki

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    AB - Recent progress in the synthesis of nanostructured silica-based materials through the self-assembly process using well-designed alkoxysilane precursors is presented. Alkoxysilanes with covalently attached hydrophobic organic tails become amphiphilic when hydrolyzed to form silanol groups, leading to the formation of various mesostructures upon evaporation of solvents. The precursors having large oligosiloxane heads are particularly important because of their ability to form cylindrical assemblies, providing a direct pathway to ordered porous silica by removal of the organic groups. Our recent research includes (i) templated-synthesis of hierarchically ordered structures and (ii) design of molecules having chemically cleavable bonds to generate pores without calcination.

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