A Single-Crystalline Mesoporous Quartz Superlattice

Takamichi Matsuno, Yoshiyuki Kuroda, Masaki Kitahara, Atsushi Shimojima, Hiroaki Wada, Kazuyuki Kuroda

    Research output: Contribution to journalArticle

    5 Citations (Scopus)

    Abstract

    There has been significant interest in the crystallization of nanostructured silica into α-quartz because of its physicochemical properties. We demonstrate a single-crystalline mesoporous quartz superlattice, a silica polymorph with unprecedentedly ordered hierarchical structures on both the several tens of nanometers scale and the atomic one. The mesoporous quartz superlattice consists of periodically arranged α-quartz nanospheres whose crystalline axes are mostly oriented in an assembly. The superlattice is prepared by thermal crystallization of amorphous silica nanospheres constituting a colloidal crystal. We found that the deposition of a strong flux of Li+ only on the surface of silica nanospheres is effective for crystallization. Order a double: A single-crystalline mesoporous quartz superlattice with periodic order on both the several tens of nanometer scale and the atomic scale is prepared by crystallization of amorphous silica nanospheres which constitute a colloidal crystal. The periodic arrangement of silica nanospheres is retained even though Li+ ions are used as a strong flux.

    Original languageEnglish
    Pages (from-to)6008-6012
    Number of pages5
    JournalAngewandte Chemie - International Edition
    Volume55
    Issue number20
    DOIs
    Publication statusPublished - 2016 May 10

    Fingerprint

    Quartz
    Nanospheres
    Silicon Dioxide
    Silica
    Crystallization
    Crystalline materials
    Fluxes
    Crystals
    Polymorphism
    Ions

    Keywords

    • colloidal crystals
    • mesoporous silica
    • single crystals
    • superlattices
    • α-quartz

    ASJC Scopus subject areas

    • Chemistry(all)
    • Catalysis

    Cite this

    A Single-Crystalline Mesoporous Quartz Superlattice. / Matsuno, Takamichi; Kuroda, Yoshiyuki; Kitahara, Masaki; Shimojima, Atsushi; Wada, Hiroaki; Kuroda, Kazuyuki.

    In: Angewandte Chemie - International Edition, Vol. 55, No. 20, 10.05.2016, p. 6008-6012.

    Research output: Contribution to journalArticle

    Matsuno, Takamichi ; Kuroda, Yoshiyuki ; Kitahara, Masaki ; Shimojima, Atsushi ; Wada, Hiroaki ; Kuroda, Kazuyuki. / A Single-Crystalline Mesoporous Quartz Superlattice. In: Angewandte Chemie - International Edition. 2016 ; Vol. 55, No. 20. pp. 6008-6012.
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