Nanospace-Mediated Self-Organization of Nanoparticles in Flexible Porous Polymer Templates

Yoshiyuki Kuroda, Itaru Muto, Atsushi Shimojima, Hiroaki Wada, Kazuyuki Kuroda

    Research output: Contribution to journalArticle

    2 Citations (Scopus)

    Abstract

    Self-organization is a fundamental process for the construction of complex hierarchically ordered nanostructures, which are widespread in biological systems. However, precise control of size, shape, and surface properties is required for self-organization of nanoparticles. Here, we demonstrate a novel self-organization phenomenon mediated by flexible nanospaces in templates. Inorganic nanoparticles (e.g., silica, zirconia, and titania) are deposited in porous polymer thin films with randomly distributed pores on the surface, leaving a partially filled nanospace in each pore. Heating at temperatures beyond the glass transition temperature of the template leads to self-organization of the inorganic nanoparticles into one-dimensional chainlike networks. The self-organization is mediated by the deformation and fusion of the residual nanospaces, and it can be rationally controlled by sequential heat treatments. These results show that a nanospace, defined by the nonexistence of matter, interacts indirectly with matter and can be used as a component of self-organization systems.

    Original languageEnglish
    Pages (from-to)9137-9143
    Number of pages7
    JournalLangmuir
    Volume33
    Issue number36
    DOIs
    Publication statusPublished - 2017 Sep 12

    Fingerprint

    Polymers
    templates
    Nanoparticles
    nanoparticles
    polymers
    porosity
    zirconium oxides
    glass transition temperature
    surface properties
    heat treatment
    titanium
    fusion
    silicon dioxide
    heating
    Biological systems
    thin films
    Polymer films
    Silicon Dioxide
    Zirconia
    Surface properties

    ASJC Scopus subject areas

    • Materials Science(all)
    • Condensed Matter Physics
    • Surfaces and Interfaces
    • Spectroscopy
    • Electrochemistry

    Cite this

    Nanospace-Mediated Self-Organization of Nanoparticles in Flexible Porous Polymer Templates. / Kuroda, Yoshiyuki; Muto, Itaru; Shimojima, Atsushi; Wada, Hiroaki; Kuroda, Kazuyuki.

    In: Langmuir, Vol. 33, No. 36, 12.09.2017, p. 9137-9143.

    Research output: Contribution to journalArticle

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