Journal of Inorganic Materials

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Preparation of Core-Shell Monodispersed Magnetic Silica Microspheres

DA Hong; ZHU Yi-Hua   

  1. Key Laboratory for Ultrafine Materials of Ministry of Education; East China University of Science and Technology; Shanghai 200237; China
  • Received:2001-07-25 Revised:2001-09-24 Published:2002-07-20 Online:2002-07-20

Abstract: The fabrication of core-shell monodispersed magnetic silica microspheres with tailored dimensions and compositions was accomplished by layer-by-layer self-assemble. The morphology and compositions of samples were characterized by XRD TEM, EDS. The alternating ζ-potentials were utilized to indicate the stepwise growth of multilayer films on colloids.

Key words: self-assemble, monodispered, magnetic SiO2 microspheres, preparation

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