Preparation of smectite/dodecyldimethylamine N-oxide intercalation compounds

Makoto Ogawa, Nagayuki Kanaoka, Kazuyuki Kuroda

    Research output: Contribution to journalArticle

    8 Citations (Scopus)

    Abstract

    The adsorption of dodecyldimethylamine N-oxide into the interlayer space of Na-saponite was investigated. The Na-saponite/dodecyldimethylamine N-oxide intercalation compounds were prepared as supported and unsupported films. Intercalation compounds with two different arrangements of the intercalated dodecyldimethylamine N-oxide were obtained, depending on the adsorbed amounts. When the adsorbed amount was greater than 400 mmol/100 g of clay, the intercalated dodecyldimethylamine N-oxide took a paraffin type bilayer. On the other hand, the intercalated dodecyldimethylamine N-oxide molecules are thought to arrange as a bimolecular coverage with their alkyl chains parallel to the silicate sheet when the added amount of dodecyldimethylamine N-oxide was 100 mmol/100 g of clay. The coadsorption of tris(2,2′-bipyridine)ruthenium(II) with dodecyldimethylamine N-oxide was achieved. The luminescence characteristics of tris(2,2′-bipyridine)ruthenium(II) revealed that there are certain interactions between the adsorbed tris(2,2′-bipyridine)ruthenium(II) and dodecyldimethylamine N-oxide in the interlayer space of saponite. Since the products have been obtained as highly transparent supported and self-standing films, the intercalation of dodecyldimethylamine N-oxide is a way to control the adsorbed states of cationic dyes on the surface of smectites.

    Original languageEnglish
    Pages (from-to)6969-6973
    Number of pages5
    JournalLangmuir
    Volume14
    Issue number24
    Publication statusPublished - 1998 Nov 24

    Fingerprint

    Intercalation compounds
    montmorillonite
    intercalation
    preparation
    Oxides
    oxides
    Ruthenium
    ruthenium
    clays
    interlayers
    Clay
    Smectite
    dodecyldimethylamine oxide
    Silicates
    paraffins
    Intercalation
    Paraffin
    Paraffins
    Luminescence
    silicates

    ASJC Scopus subject areas

    • Colloid and Surface Chemistry
    • Physical and Theoretical Chemistry

    Cite this

    Preparation of smectite/dodecyldimethylamine N-oxide intercalation compounds. / Ogawa, Makoto; Kanaoka, Nagayuki; Kuroda, Kazuyuki.

    In: Langmuir, Vol. 14, No. 24, 24.11.1998, p. 6969-6973.

    Research output: Contribution to journalArticle

    Ogawa, M, Kanaoka, N & Kuroda, K 1998, 'Preparation of smectite/dodecyldimethylamine N-oxide intercalation compounds', Langmuir, vol. 14, no. 24, pp. 6969-6973.
    Ogawa, Makoto ; Kanaoka, Nagayuki ; Kuroda, Kazuyuki. / Preparation of smectite/dodecyldimethylamine N-oxide intercalation compounds. In: Langmuir. 1998 ; Vol. 14, No. 24. pp. 6969-6973.
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