Characterization of Layered Titanate Thin Films

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  • SUMIDA Takeshi
    Research Laboratory of Resources Utilization, Tokyo Institute of Technology
  • ABE Ryu
    Research Laboratory of Resources Utilization, Tokyo Institute of Technology
  • HARA Michikazu
    Research Laboratory of Resources Utilization, Tokyo Institute of Technology
  • KONDO Junko N.
    Research Laboratory of Resources Utilization, Tokyo Institute of Technology
  • DOMEN Kazunari
    Research Laboratory of Resources Utilization, Tokyo Institute of Technology CREST, JST (Japan Science and Technology)

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Abstract

<p>A layered titanic acid, CsxTi(2−x/4)□x/4O4 (x = 0.67, □: vacancy), was exfoliated in ethylamine aqueous solution, and layered thin films were prepared on the substrate by spin-coating method. Tabular titanates of some hundreds nm were arranged in parallel with the substrate. Although ethylamine aqueous solution did not exfoliate into the monolayer sheets, exfoliation to 10-15 layers sheets was found to be possible. The thickness of the film could be roughly controlled by repetition of the spin-coating.</p>

Journal

  • Electrochemistry

    Electrochemistry 67 (12), 1224-1226, 1999-12-05

    The Electrochemical Society of Japan

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