Silica films with a single-crystalline mesoporous structure

Hirokatsu Miyata, Takashi Suzuki, Ayumu Fukuoka, Takeshi Sawada, Masatoshi Watanabe, Takashi Noma, Kazuhiro Takada, Taihei Mukaide, Kazuyuki Kuroda

    Research output: Contribution to journalArticle

    121 Citations (Scopus)

    Abstract

    Films of mesoporous materials attract broad interest because of their wide applicability in the fields of optics and electronics. Although many of these films have a regular local porous structure, the structural regularity has not been used practically yet because of difficulties in its control on macroscopic scales. Here, we demonstrate the preparation of mesoporous silica films whose porous structure can be described as a single crystal, that is, a long-range order of cage-like pores is maintained over centimetre scales. These films have a three-dimensional hexagonal (space group P63/mmc) porous structure, and the in-plane arrangement of the pores is strictly controlled by a polymeric substrate surface that has been treated by rubbing. This new class of singie-crystalline films with rnesoscopic periodic structure is a significant breakthrough in bottom-up nanotechnology, and could lead to novel devices, for example, optics in a soft X-ray region, and quantum electronics.

    Original languageEnglish
    Pages (from-to)651-656
    Number of pages6
    JournalNature Materials
    Volume3
    Issue number9
    DOIs
    Publication statusPublished - 2004 Sep

    Fingerprint

    Silicon Dioxide
    Silica
    silicon dioxide
    Crystalline materials
    Optics
    Quantum electronics
    optics
    porosity
    quantum electronics
    Mesoporous materials
    Periodic structures
    nanotechnology
    Nanotechnology
    regularity
    Electronic equipment
    Single crystals
    X rays
    preparation
    single crystals
    Substrates

    ASJC Scopus subject areas

    • Engineering(all)

    Cite this

    Miyata, H., Suzuki, T., Fukuoka, A., Sawada, T., Watanabe, M., Noma, T., ... Kuroda, K. (2004). Silica films with a single-crystalline mesoporous structure. Nature Materials, 3(9), 651-656. https://doi.org/10.1038/nmat1184

    Silica films with a single-crystalline mesoporous structure. / Miyata, Hirokatsu; Suzuki, Takashi; Fukuoka, Ayumu; Sawada, Takeshi; Watanabe, Masatoshi; Noma, Takashi; Takada, Kazuhiro; Mukaide, Taihei; Kuroda, Kazuyuki.

    In: Nature Materials, Vol. 3, No. 9, 09.2004, p. 651-656.

    Research output: Contribution to journalArticle

    Miyata, H, Suzuki, T, Fukuoka, A, Sawada, T, Watanabe, M, Noma, T, Takada, K, Mukaide, T & Kuroda, K 2004, 'Silica films with a single-crystalline mesoporous structure', Nature Materials, vol. 3, no. 9, pp. 651-656. https://doi.org/10.1038/nmat1184
    Miyata H, Suzuki T, Fukuoka A, Sawada T, Watanabe M, Noma T et al. Silica films with a single-crystalline mesoporous structure. Nature Materials. 2004 Sep;3(9):651-656. https://doi.org/10.1038/nmat1184
    Miyata, Hirokatsu ; Suzuki, Takashi ; Fukuoka, Ayumu ; Sawada, Takeshi ; Watanabe, Masatoshi ; Noma, Takashi ; Takada, Kazuhiro ; Mukaide, Taihei ; Kuroda, Kazuyuki. / Silica films with a single-crystalline mesoporous structure. In: Nature Materials. 2004 ; Vol. 3, No. 9. pp. 651-656.
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