Intercalation of an amphiphilic azobenzene derivative into the interlayer space of a layered silicate, magadiite

M. Ogawa, M. Yamamoto, Kazuyuki Kuroda

    Research output: Contribution to journalArticle

    20 Citations (Scopus)

    Abstract

    Intercalation of an ammonium amphiphile having an azobenzene chromophore, 4-dodccyloxy-4'-(trimethylammoniopentyloxy)azobenzene and 4-(ω-trimethylammoniodecyloxy)-p'- (octyloxy)azobenzene bromide, into the layered silicate magadiite (ideal formula Na2Si14O29.nH2O) was carried out by a conventional ion exchange reaction in an aqueous medium. An intercalation compound with the ideal formula visible absorption spectrum of the product, the intercalated azo dyes appear to form a J-aggregate in the interlayer space of magadiite. Under UV and visible light irradiation, the intercalated azo chromophore exhibited reversible transcis isomerization in the interlayer space of magadiite. This is the first successful report of photochemical reactions of guest species in the interlayer space of magadiite.

    Original languageEnglish
    Pages (from-to)263-266
    Number of pages4
    JournalClay Minerals
    Volume36
    Issue number2
    DOIs
    Publication statusPublished - 2001 Jun

    Fingerprint

    magadiite
    Silicates
    Intercalation
    silicate
    Chromophores
    Derivatives
    Azo Compounds
    Intercalation compounds
    Amphiphiles
    Photochemical reactions
    Isomerization
    Bromides
    Ammonium Compounds
    Absorption spectra
    Ion exchange
    absorption spectrum
    bromide
    Irradiation
    ion exchange
    dye

    Keywords

    • Azobenzene
    • Intercalation
    • Layered silicate
    • Magadiite
    • Nanocomposite
    • Photoisomerization

    ASJC Scopus subject areas

    • Geochemistry and Petrology

    Cite this

    Intercalation of an amphiphilic azobenzene derivative into the interlayer space of a layered silicate, magadiite. / Ogawa, M.; Yamamoto, M.; Kuroda, Kazuyuki.

    In: Clay Minerals, Vol. 36, No. 2, 06.2001, p. 263-266.

    Research output: Contribution to journalArticle

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