Well-defined plate and hollow disk shaped particles of silica-dialkyldimethylammonium hybrids

Shingo MacHida, Takaaki Yoshida, Ryouya Hashimoto, Makoto Ogawa

    Research output: Contribution to journalArticle

    5 Citations (Scopus)

    Abstract

    Well-defined plate and hollow disk of silica-dioctadecyldimethylammonium hybrid particles were obtained by the sol-gel reaction of tetraethoxysilane in the presence of dioctadecyldimethylammonium chloride, where synthetic condition was determined based on the Stöber synthesis for micron size silica sphere. The particle size was several hundreds of nm in the radius and several tens of nm in the thickness. X-ray powder diffraction patterns indicated that the products possess layered mesostructures, which were thought to be directed by the lamellar aggregates of dioctadecyldimethylammonium.

    Original languageEnglish
    Pages (from-to)66-69
    Number of pages4
    JournalJournal of Colloid and Interface Science
    Volume420
    DOIs
    Publication statusPublished - 2014 Apr 15

    Keywords

    • Hollow disk
    • Lamellar mesophase
    • Mesoporous silica
    • Monodispersed particle
    • Platy particle
    • Stöber method

    ASJC Scopus subject areas

    • Surfaces, Coatings and Films
    • Electronic, Optical and Magnetic Materials
    • Biomaterials
    • Colloid and Surface Chemistry

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