Rapid fabrication of a smooth hollow-spheres array

Sachiko Matsushita, Shigenori Fujikawa, Shinya Onoue, Toyoki Kunitake, Masatsugu Shimomura

    Research output: Contribution to journalArticlepeer-review

    6 Citations (Scopus)

    Abstract

    A smooth TiO2 hollow-spheres array, a kind of inverse opals, was prepared in a wide area (>1 × 5 cm) in a short time (less than 1 min excluding sintering) using a spin-coating technique. A two-dimensional colloidal crystal was used as a template. The TiO2 sintering process, especially the rate of the temperature increase, was important to copy the periodicity of the colloidal crystal structure. The electron diffraction image taken by the transmission electron microscopy observation showed that the hollow-spheres arrays have anatase-type crystal structure.

    Original languageEnglish
    Pages (from-to)1226-1228
    Number of pages3
    JournalBulletin of the Chemical Society of Japan
    Volume80
    Issue number6
    DOIs
    Publication statusPublished - 2007 Dec 1

    ASJC Scopus subject areas

    • Chemistry(all)

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