Sol-gel preparation of nanosheet-dispersed hybrids using n-alkoxy derivatives of ion-exchangeable layered perovskites as nanobuilding blocks

Seiichi Tahara, Takafumi Okamoto, Yosuke Takeda, Yoshiyuki Sugahara

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Abstract

    Two different kinds of composites possessing perovskite-related nanosheets were prepared via sol-gel process using n-alkoxy derivatives of ion-exchangeable layered perovskites. One kind of the hybrids was prepared via the cohydrolysis of the n-decoxy derivative of an ion-exchangeable layered perovskite, HLaNb 2O7·xH2O or HCa2Nb 3O10·xH2O, tetramethoxysilane (TMOS) and silanol terminated polydimethylsiloxane (PDMS). The other kind of hybrid was prepared via cohydrolysis of n-decoxy derivatives of HCaNb and TMOS. The XRD pattern and TEM image of both composites showed the exfoliation of layered perovskites and the nanosheets was dispersed in siloxane networks. These results suggest that the n-alkoxy derivatives of ion-exchangeable layered perovskites can be utilized as nanobuilding blocks for the preparation of nanosheet-dispersed composites via sol-gel process.

    Original languageEnglish
    Title of host publicationPolymer Preprints, Japan
    Pages3055-3056
    Number of pages2
    Volume55
    Edition2
    Publication statusPublished - 2006
    Event55th Society of Polymer Science Japan Symposium on Macromolecules - Toyama
    Duration: 2006 Sep 202006 Sep 22

    Other

    Other55th Society of Polymer Science Japan Symposium on Macromolecules
    CityToyama
    Period06/9/2006/9/22

    Fingerprint

    Nanosheets
    Sol-gels
    Derivatives
    Ions
    Perovskite
    Sol-gel process
    Composite materials
    Polydimethylsiloxane
    Transmission electron microscopy

    Keywords

    • Alcohol-exchange
    • Exfoliation
    • Hydrolysis
    • Nanosheet
    • Sol-gel reaction

    ASJC Scopus subject areas

    • Engineering(all)

    Cite this

    Tahara, S., Okamoto, T., Takeda, Y., & Sugahara, Y. (2006). Sol-gel preparation of nanosheet-dispersed hybrids using n-alkoxy derivatives of ion-exchangeable layered perovskites as nanobuilding blocks. In Polymer Preprints, Japan (2 ed., Vol. 55, pp. 3055-3056)

    Sol-gel preparation of nanosheet-dispersed hybrids using n-alkoxy derivatives of ion-exchangeable layered perovskites as nanobuilding blocks. / Tahara, Seiichi; Okamoto, Takafumi; Takeda, Yosuke; Sugahara, Yoshiyuki.

    Polymer Preprints, Japan. Vol. 55 2. ed. 2006. p. 3055-3056.

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Tahara, S, Okamoto, T, Takeda, Y & Sugahara, Y 2006, Sol-gel preparation of nanosheet-dispersed hybrids using n-alkoxy derivatives of ion-exchangeable layered perovskites as nanobuilding blocks. in Polymer Preprints, Japan. 2 edn, vol. 55, pp. 3055-3056, 55th Society of Polymer Science Japan Symposium on Macromolecules, Toyama, 06/9/20.
    Tahara, Seiichi ; Okamoto, Takafumi ; Takeda, Yosuke ; Sugahara, Yoshiyuki. / Sol-gel preparation of nanosheet-dispersed hybrids using n-alkoxy derivatives of ion-exchangeable layered perovskites as nanobuilding blocks. Polymer Preprints, Japan. Vol. 55 2. ed. 2006. pp. 3055-3056
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    abstract = "Two different kinds of composites possessing perovskite-related nanosheets were prepared via sol-gel process using n-alkoxy derivatives of ion-exchangeable layered perovskites. One kind of the hybrids was prepared via the cohydrolysis of the n-decoxy derivative of an ion-exchangeable layered perovskite, HLaNb 2O7·xH2O or HCa2Nb 3O10·xH2O, tetramethoxysilane (TMOS) and silanol terminated polydimethylsiloxane (PDMS). The other kind of hybrid was prepared via cohydrolysis of n-decoxy derivatives of HCaNb and TMOS. The XRD pattern and TEM image of both composites showed the exfoliation of layered perovskites and the nanosheets was dispersed in siloxane networks. These results suggest that the n-alkoxy derivatives of ion-exchangeable layered perovskites can be utilized as nanobuilding blocks for the preparation of nanosheet-dispersed composites via sol-gel process.",
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    AU - Sugahara, Yoshiyuki

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    AB - Two different kinds of composites possessing perovskite-related nanosheets were prepared via sol-gel process using n-alkoxy derivatives of ion-exchangeable layered perovskites. One kind of the hybrids was prepared via the cohydrolysis of the n-decoxy derivative of an ion-exchangeable layered perovskite, HLaNb 2O7·xH2O or HCa2Nb 3O10·xH2O, tetramethoxysilane (TMOS) and silanol terminated polydimethylsiloxane (PDMS). The other kind of hybrid was prepared via cohydrolysis of n-decoxy derivatives of HCaNb and TMOS. The XRD pattern and TEM image of both composites showed the exfoliation of layered perovskites and the nanosheets was dispersed in siloxane networks. These results suggest that the n-alkoxy derivatives of ion-exchangeable layered perovskites can be utilized as nanobuilding blocks for the preparation of nanosheet-dispersed composites via sol-gel process.

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