Intercalation characteristics of rhodamine 6G in fluor-taeniolite

Orientation in the gallery

Taketoshi Fujita, Nobuo Iyi, Tetsushi Kosugi, Akitsugu Ando, Takahiro Deguchi, Takayuki Sota

    Research output: Contribution to journalArticle

    29 Citations (Scopus)

    Abstract

    The orientation of rhodamine 6G (R6G) in the 22-Å basal-spaced complex with Li-fluortaeniolite has been studied using X-ray powder diffraction, 1-dimensional Fourier analysis, polarized infrared (IR) spectroscopy, carbon analysis and thermal analysis. The R6G was adsorbed by cation exchange in aqueous solution. In the range of 0.086 to 0,46 molar ratio of R6G to taeniolite, the basal spacings of the complex were nearly constant at 21.7 to 22.2 Å, From X-ray diffraction (XRD) data, it was confirmed that R6G in the complex orients with its longest xanthene ring axis perpendicular to the ab plane of the host. The pleochroism of IR absorption bands at 1331, 1517, 1537 and 1621 cm-1 supports the vertical orientation. The wide stability range of the vertical configuration is consistent with the strong coulombic force between the highly negatively charged silicate layer of the host [cation exchange capacity (CEC) = 157 ± 9 meq/100 g] and the positively charged nitrogen bonded to both sides of the R6G xanthene ring.

    Original languageEnglish
    Pages (from-to)77-84
    Number of pages8
    JournalClays and Clay Minerals
    Volume45
    Issue number1
    Publication statusPublished - 1997

    Fingerprint

    thermal analysis
    cation exchange
    infrared spectroscopy
    cation exchange capacity
    Intercalation
    silicates
    X-ray diffraction
    aqueous solutions
    powders
    X-radiation
    spatial distribution
    Xanthenes
    carbon
    nitrogen
    pleochroism
    Cations
    ion exchange
    spacing
    aqueous solution
    silicate

    Keywords

    • Infrared Spectroscopy
    • Intercalation
    • Li-fluor-Taeniolite
    • Mica
    • Rhodamine 6G
    • X-ray Diffraction

    ASJC Scopus subject areas

    • Soil Science
    • Earth and Planetary Sciences (miscellaneous)
    • Geochemistry and Petrology
    • Water Science and Technology

    Cite this

    Intercalation characteristics of rhodamine 6G in fluor-taeniolite : Orientation in the gallery. / Fujita, Taketoshi; Iyi, Nobuo; Kosugi, Tetsushi; Ando, Akitsugu; Deguchi, Takahiro; Sota, Takayuki.

    In: Clays and Clay Minerals, Vol. 45, No. 1, 1997, p. 77-84.

    Research output: Contribution to journalArticle

    Fujita, T, Iyi, N, Kosugi, T, Ando, A, Deguchi, T & Sota, T 1997, 'Intercalation characteristics of rhodamine 6G in fluor-taeniolite: Orientation in the gallery', Clays and Clay Minerals, vol. 45, no. 1, pp. 77-84.
    Fujita, Taketoshi ; Iyi, Nobuo ; Kosugi, Tetsushi ; Ando, Akitsugu ; Deguchi, Takahiro ; Sota, Takayuki. / Intercalation characteristics of rhodamine 6G in fluor-taeniolite : Orientation in the gallery. In: Clays and Clay Minerals. 1997 ; Vol. 45, No. 1. pp. 77-84.
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    abstract = "The orientation of rhodamine 6G (R6G) in the 22-{\AA} basal-spaced complex with Li-fluortaeniolite has been studied using X-ray powder diffraction, 1-dimensional Fourier analysis, polarized infrared (IR) spectroscopy, carbon analysis and thermal analysis. The R6G was adsorbed by cation exchange in aqueous solution. In the range of 0.086 to 0,46 molar ratio of R6G to taeniolite, the basal spacings of the complex were nearly constant at 21.7 to 22.2 {\AA}, From X-ray diffraction (XRD) data, it was confirmed that R6G in the complex orients with its longest xanthene ring axis perpendicular to the ab plane of the host. The pleochroism of IR absorption bands at 1331, 1517, 1537 and 1621 cm-1 supports the vertical orientation. The wide stability range of the vertical configuration is consistent with the strong coulombic force between the highly negatively charged silicate layer of the host [cation exchange capacity (CEC) = 157 ± 9 meq/100 g] and the positively charged nitrogen bonded to both sides of the R6G xanthene ring.",
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    AB - The orientation of rhodamine 6G (R6G) in the 22-Å basal-spaced complex with Li-fluortaeniolite has been studied using X-ray powder diffraction, 1-dimensional Fourier analysis, polarized infrared (IR) spectroscopy, carbon analysis and thermal analysis. The R6G was adsorbed by cation exchange in aqueous solution. In the range of 0.086 to 0,46 molar ratio of R6G to taeniolite, the basal spacings of the complex were nearly constant at 21.7 to 22.2 Å, From X-ray diffraction (XRD) data, it was confirmed that R6G in the complex orients with its longest xanthene ring axis perpendicular to the ab plane of the host. The pleochroism of IR absorption bands at 1331, 1517, 1537 and 1621 cm-1 supports the vertical orientation. The wide stability range of the vertical configuration is consistent with the strong coulombic force between the highly negatively charged silicate layer of the host [cation exchange capacity (CEC) = 157 ± 9 meq/100 g] and the positively charged nitrogen bonded to both sides of the R6G xanthene ring.

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