Preparation of a novel organic derivative of the layered perovskite bearing HLaNb2O7·nH2O interlayer surface trifluoroacetate groups

Yosuke Takeda, Hiromi Suzuki, Kazuya Notsu, Wataru Sugimoto, Yoshiyuki Sugahara

    Research output: Contribution to journal › Article

    28 Citations (Scopus)

    Abstract

    Trifluoroacetate (TFA, CF3COO) groups have been successfully bound to the interlayer surface of a protonated form of Dion-Jacobson-type layered perovskite, HLaNb2O7·nH2O (HLaNb), via a reaction between its n-propoxy derivative and trifluoroacetic acid (TFAH, CF3COOH). The interlayer distance increases approximately to 1.8 nm upon treatment with TFAH, and varies in the range from ∼1.7 to ∼2.0 nm depending on the amount of water adsorbed in the interlayer space. The high stability of the guest species upon dispersal in organic solvents and the change in the infrared (IR) spectrum profile with respect to that of TFAH indicate that the guest species are TFA groups bound to the surface of perovskite-like slabs of HLaNb. The interlayer distance indicates that the TFA groups possess a bilayer arrangement, and a unidentate type of coordination is proposed based on consideration on the coordination geometry.

    Original languageEnglish
    Pages (from-to)834-841
    Number of pages8
    JournalMaterials Research Bulletin
    Volume41
    Issue number4
    DOIs
    Publication statusPublished - 2006 Apr 13

    Fingerprint

    Bearings (structural)
    Trifluoroacetic Acid
    Perovskite
    interlayers
    Derivatives
    Trifluoroacetic acid
    preparation
    Organic solvents
    Infrared radiation
    Geometry
    Water
    slabs
    infrared spectra
    acids
    perovskite
    profiles
    geometry
    water

    Keywords

    • A. Layered compound
    • B. Chemical synthesis
    • C. Nuclear magnetic resonance
    • C. X-ray diffraction
    • D. Surface properties

    ASJC Scopus subject areas

    • Ceramics and Composites
    • Materials Chemistry

    Cite this

    Preparation of a novel organic derivative of the layered perovskite bearing HLaNb2O7·nH2O interlayer surface trifluoroacetate groups. / Takeda, Yosuke; Suzuki, Hiromi; Notsu, Kazuya; Sugimoto, Wataru; Sugahara, Yoshiyuki.

    In: Materials Research Bulletin, Vol. 41, No. 4, 13.04.2006, p. 834-841.

    Research output: Contribution to journal › Article

    Takeda, Y, Suzuki, H, Notsu, K, Sugimoto, W & Sugahara, Y 2006, 'Preparation of a novel organic derivative of the layered perovskite bearing HLaNb2O7·nH2O interlayer surface trifluoroacetate groups', Materials Research Bulletin, vol. 41, no. 4, pp. 834-841. https://doi.org/10.1016/j.materresbull.2005.10.004
    Takeda Y, Suzuki H, Notsu K, Sugimoto W, Sugahara Y. Preparation of a novel organic derivative of the layered perovskite bearing HLaNb2O7·nH2O interlayer surface trifluoroacetate groups. Materials Research Bulletin. 2006 Apr 13;41(4):834-841. https://doi.org/10.1016/j.materresbull.2005.10.004
    Takeda, Yosuke ; Suzuki, Hiromi ; Notsu, Kazuya ; Sugimoto, Wataru ; Sugahara, Yoshiyuki. / Preparation of a novel organic derivative of the layered perovskite bearing HLaNb2O7·nH2O interlayer surface trifluoroacetate groups. In: Materials Research Bulletin. 2006 ; Vol. 41, No. 4. pp. 834-841.
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