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1 results

  • Novel Method to Synthesize Ceria Coated Silica particles

  • Myoung-hwan Oh, Jae Seok Lee, Sushant Gupta, Tae Kon Kim, Aniroddh Kaanna, Rajiv K Singh
  • Journal:
    MRS Online Proceedings Library Archive / Volume 1157 / 2009
    Published online by Cambridge University Press:
    31 January 2011, 1157-E08-07
    Print publication:
    2009

  • Monodispersed ceria coated silica particles were prepared by a new type of ceria precursor. The ceria precursor was synthesized by alkoxide method, which employs ethanol as solvent. The synthesized particles were characterized with scanning electron microscopy (SEM), transmission electron microscopy (TEM), X-ray diffraction (XRD) and X-ray photoelectron spectroscopy (XPS). It was found that well-crystalline ceria coatings were deposited on the surface of the silica particles without post-heat treatment. In addition, the coated particles prepared by a new precursor were uniformly dispersed without the formation of hard aggregate as compared to those obtained by conventional method.