Use of mesoporous silica modified with titanium oxide as a template for preparation of mesoporous carbon incorporating TiO2 nanocrystals

Masaki Kitahara, Kohei Suzuki, Saori Kubara, Yuta Shimasaki, Atsushi Shimojima, Hiroaki Wada, Kazuyuki Kuroda

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    Mesoporous silica modified with titanium oxide is shown to be useful as a template for the preparation of mesoporous carbon incorporating TiO2 nanocrystals. The nanocomposite was prepared by deposition of carbon within the mesoporous silica template modified with titanium oxide, and subsequent template removal with NaOH (aq). The high-angle annular dark field scanning transmission electron microscopy (HAADF-STEM) image of the prepared nanocomposite clearly showed that small TiO2 nanocrystals embedded on mesoporous carbon were formed. The Si-O-Ti bonds between mesoporous silica and titanium oxide layers are effective to suppress the migration of the Ti species, resulting in the formation of the TiO2 nanocrystals.

    Original languageEnglish
    Pages (from-to)1207-1211
    Number of pages5
    JournalBulletin of the Chemical Society of Japan
    Issue number10
    Publication statusPublished - 2016


    ASJC Scopus subject areas

    • Chemistry(all)

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