Electron microscopy study of binary nanocolloidal crystals with ico -AB13 structure made of monodisperse Silica Nanoparticles

Yasuhiro Sakamoto, Yoshiyuki Kuroda, Susumu Toko, Takuji Ikeda, Toshiyuki Matsui, Kazuyuki Kuroda

    Research output: Contribution to journalArticle

    3 Citations (Scopus)

    Abstract

    Binary nanocolloidal crystals (BNCCs) made of two different nanoparticles are a promising new class of advanced functional materials with synergetic and collective properties. These materials have been shown to exhibit excellent structural diversity and a wide range of different stoichiometries. In this study, BNCCs with an ico-AB13 structure were prepared as inorganic bulk materials by simple solvent evaporation of silica nanocolloidal aqueous solutions. Systematic analysis of Fourier diffractograms of high-resolution transmission electron microscopy (HRTEM) images shows the reflection conditions of the space group Fm3c without any ambiguities, which is indicative of the ico-AB13 structure. Simulated HRTEM images based on the ideal ico-AB13 structure were also calculated under the kinematical scattering approximation. These images showed the characteristic fine structure of the ico-AB13 structure along the high-symmetry axes. The agreement between the observed and simulated HRTEM images indicates the validity of the ideal ico-AB13 model structure. This result shows that HRTEM together with a quantitative image simulation is a versatile method for the characterization of the BNCCs at the nanoscale and can be routinely applied for any nanocolloidal crystals, even for complex structures.

    Original languageEnglish
    Pages (from-to)15004-15010
    Number of pages7
    JournalJournal of Physical Chemistry C
    Volume118
    Issue number27
    DOIs
    Publication statusPublished - 2014 Jul 10

    Fingerprint

    High resolution transmission electron microscopy
    Silicon Dioxide
    Electron microscopy
    electron microscopy
    Silica
    Nanoparticles
    silicon dioxide
    nanoparticles
    Crystals
    transmission electron microscopy
    high resolution
    crystals
    Functional materials
    Model structures
    Stoichiometry
    Evaporation
    ambiguity
    Scattering
    stoichiometry
    fine structure

    ASJC Scopus subject areas

    • Physical and Theoretical Chemistry
    • Electronic, Optical and Magnetic Materials
    • Surfaces, Coatings and Films
    • Energy(all)

    Cite this

    Electron microscopy study of binary nanocolloidal crystals with ico -AB13 structure made of monodisperse Silica Nanoparticles. / Sakamoto, Yasuhiro; Kuroda, Yoshiyuki; Toko, Susumu; Ikeda, Takuji; Matsui, Toshiyuki; Kuroda, Kazuyuki.

    In: Journal of Physical Chemistry C, Vol. 118, No. 27, 10.07.2014, p. 15004-15010.

    Research output: Contribution to journalArticle

    Sakamoto, Yasuhiro ; Kuroda, Yoshiyuki ; Toko, Susumu ; Ikeda, Takuji ; Matsui, Toshiyuki ; Kuroda, Kazuyuki. / Electron microscopy study of binary nanocolloidal crystals with ico -AB13 structure made of monodisperse Silica Nanoparticles. In: Journal of Physical Chemistry C. 2014 ; Vol. 118, No. 27. pp. 15004-15010.
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