Intercalation of a cationic azobenzene into montmorillonite

Makoto Ogawa, Takuma Ishii, Nobuyoshi Miyamoto, Kazuyuki Kuroda

    Research output: Contribution to journalArticle

    53 Citations (Scopus)

    Abstract

    The intercalation of a cationic azobenzene derivative into the interlayer space of montmorillonite has been achieved by ion exchange between sodium-montmorillonite and p-(ω-dimethyl-hydroxyethylammonioethoxy) -azobenzene bromide. X-ray diffractometry and elemental analysis indicated that the dye cations were intercalated. The microstructures of the montmorillonite-dye intercalates were controlled by the amount of dye loaded as evidenced by the variation in basal spacings and visible absorption spectra of the materials. The intercalated azo dyes exhibit reversible trans-to-cis photoisomerization under UV and visible light irradiation.

    Original languageEnglish
    Pages (from-to)179-185
    Number of pages7
    JournalApplied Clay Science
    Volume22
    Issue number4
    DOIs
    Publication statusPublished - 2003 Feb

    Fingerprint

    Bentonite
    Intercalation
    montmorillonite
    dye
    Coloring Agents
    Azo Compounds
    Photoisomerization
    Bromides
    X ray diffraction analysis
    Cations
    Absorption spectra
    Ion exchange
    absorption spectrum
    Sodium
    bromide
    Irradiation
    Derivatives
    ion exchange
    microstructure
    irradiation

    Keywords

    • Aggregates
    • Azobenzene
    • Intercalation
    • Montmorillonite
    • Nano-composite
    • Photoisomerization

    ASJC Scopus subject areas

    • Geochemistry and Petrology
    • Geology

    Cite this

    Intercalation of a cationic azobenzene into montmorillonite. / Ogawa, Makoto; Ishii, Takuma; Miyamoto, Nobuyoshi; Kuroda, Kazuyuki.

    In: Applied Clay Science, Vol. 22, No. 4, 02.2003, p. 179-185.

    Research output: Contribution to journalArticle

    Ogawa, Makoto ; Ishii, Takuma ; Miyamoto, Nobuyoshi ; Kuroda, Kazuyuki. / Intercalation of a cationic azobenzene into montmorillonite. In: Applied Clay Science. 2003 ; Vol. 22, No. 4. pp. 179-185.
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