Materials design of layered silicates through covalent modification of interlayer surfaces

Nobuyuki Takahashi, Kazuyuki Kuroda

    Research output: Contribution to journal › Article

    108 Citations (Scopus)

    Abstract

    Layered silicates, whose frameworks are composed of only SiO4 tetrahedra, provide many interesting properties through covalent modification of interlayer SiOH/SiO- groups. This review summarizes covalent modifications of layered silicates, such as magadiite, kanemite, kenyaite, layered octosilicate (RUB-18 or ilerite), and layered zeolitic materials (or their precursors). Interlayer silanol groups can be modified with various silylation reagents including alkyl, amino, and thiol groups. Anion exchangeable layered hybrids are obtained by immobilization of imidazolium groups, and are exfoliated into monolayer nanosheets in water. New crystalline silicate structures are obtained by precisely designed silylation of octosilicate. Silanol groups of layered silicates are esterified with some alcohols. Condensation of silanol groups in the same layer is effective for intercalation of bulky nonionic surfactants. Topotactic conversion through interlayer condensation of silanol groups leads to the formation of 3-D zeolite structures. Expansion of the pores of zeolites is achieved by pillaring through covalent modification. These covalent modifications of layered silicates make it possible to design for practical applications. This journal is

    Original languageEnglish
    Pages (from-to)14336-14353
    Number of pages18
    JournalJournal of Materials Chemistry
    Volume21
    Issue number38
    DOIs
    Publication statusPublished - 2011 Oct 14

    Fingerprint

    Silicates
    Zeolites
    Condensation
    Nanosheets
    Nonionic surfactants
    Intercalation
    Sulfhydryl Compounds
    Anions
    Monolayers
    Alcohols
    Negative ions
    Crystalline materials
    silanol
    Water

    ASJC Scopus subject areas

    • Materials Chemistry
    • Chemistry(all)

    Cite this

    Materials design of layered silicates through covalent modification of interlayer surfaces. / Takahashi, Nobuyuki; Kuroda, Kazuyuki.

    In: Journal of Materials Chemistry, Vol. 21, No. 38, 14.10.2011, p. 14336-14353.

    Research output: Contribution to journal › Article

    Takahashi, N & Kuroda, K 2011, 'Materials design of layered silicates through covalent modification of interlayer surfaces', Journal of Materials Chemistry, vol. 21, no. 38, pp. 14336-14353. https://doi.org/10.1039/c1jm10460h
    Takahashi N, Kuroda K. Materials design of layered silicates through covalent modification of interlayer surfaces. Journal of Materials Chemistry. 2011 Oct 14;21(38):14336-14353. https://doi.org/10.1039/c1jm10460h
    Takahashi, Nobuyuki ; Kuroda, Kazuyuki. / Materials design of layered silicates through covalent modification of interlayer surfaces. In: Journal of Materials Chemistry. 2011 ; Vol. 21, No. 38. pp. 14336-14353.
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