Intercalation of a cationic cyanine dye into the layer silicate magadiite

Nobuyoshi Miyamoto, Ryo Kawai, Kazuyuki Kuroda, Makoto Ogawa

    Research output: Contribution to journalArticle

    30 Citations (Scopus)

    Abstract

    A cationic cyanine dye, l,l′-diethyl-2,2′-cyanine (denoted as PIC), was intercalated into the layer silicate magadiite by ion-exchange between an aqueous PICBr solution and Na-magadiite or dodecyltrimethylammonium-exchanged magadiite. The formation of the intercalation compounds was probed by XRD, IR and chemical analysis. The basal spacing, the adsorbed amount of PIC, and the spectroscopic features of the products were determined. UV-Vis spectra revealed that different types of PIC aggregates were formed in the products synthesized from Na-magadiite and dodecyltrimethylammo-nium-exchanged magadiite. The state of PIC was also affected by the presence of alkylammonium ions. The microstructure of dye aggregates in the present systems was different from the typical structure of other systems such as the J-aggregates on the surface of AgBr crystals.

    Original languageEnglish
    Pages (from-to)39-46
    Number of pages8
    JournalApplied Clay Science
    Volume19
    Issue number1-6
    DOIs
    Publication statusPublished - 2001 Jul

    Fingerprint

    magadiite
    Silicates
    Intercalation
    dye
    Coloring Agents
    silicate
    Intercalation compounds
    Ion exchange
    Ions
    Crystals
    Microstructure
    chemical analysis
    ion exchange
    Chemical analysis
    microstructure
    spacing
    aqueous solution
    X-ray diffraction
    crystal
    ion

    Keywords

    • Aggregation
    • Cyanine dye
    • Intercalation
    • Magadiite
    • Pseudoisocyanine

    ASJC Scopus subject areas

    • Geochemistry and Petrology
    • Geology

    Cite this

    Intercalation of a cationic cyanine dye into the layer silicate magadiite. / Miyamoto, Nobuyoshi; Kawai, Ryo; Kuroda, Kazuyuki; Ogawa, Makoto.

    In: Applied Clay Science, Vol. 19, No. 1-6, 07.2001, p. 39-46.

    Research output: Contribution to journalArticle

    Miyamoto, Nobuyoshi ; Kawai, Ryo ; Kuroda, Kazuyuki ; Ogawa, Makoto. / Intercalation of a cationic cyanine dye into the layer silicate magadiite. In: Applied Clay Science. 2001 ; Vol. 19, No. 1-6. pp. 39-46.
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    abstract = "A cationic cyanine dye, l,l′-diethyl-2,2′-cyanine (denoted as PIC), was intercalated into the layer silicate magadiite by ion-exchange between an aqueous PICBr solution and Na-magadiite or dodecyltrimethylammonium-exchanged magadiite. The formation of the intercalation compounds was probed by XRD, IR and chemical analysis. The basal spacing, the adsorbed amount of PIC, and the spectroscopic features of the products were determined. UV-Vis spectra revealed that different types of PIC aggregates were formed in the products synthesized from Na-magadiite and dodecyltrimethylammo-nium-exchanged magadiite. The state of PIC was also affected by the presence of alkylammonium ions. The microstructure of dye aggregates in the present systems was different from the typical structure of other systems such as the J-aggregates on the surface of AgBr crystals.",
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