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Synthesis And Morphological Control Of Monodispersed Microsized Ceria Particles

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Author Info

  • S. YIN

    ()
    (Institute of Multidisciplinary Research for Advanced Materials, Tohoku University, Sendai, Japan)

  • Y. MINAMIDATE

    (Institute of Multidisciplinary Research for Advanced Materials, Tohoku University, Sendai, Japan)

  • T. SATO

    (Institute of Multidisciplinary Research for Advanced Materials, Tohoku University, Sendai, Japan)

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    Abstract

    The morphological control of crystalline cerium oxide particles was realized by homogeneous precipitation process followed by calcination in air at 400°C. The effects of room temperature pre-aging time on the morphologies of final products were investigated. Monodispersed rod-like cerium carbonate precursor was produced at 70°C for 2 h using the solution without pre-aging treatment. In contrast, monodispersed spherical precursor and plate-like precursor were obtained under the same conditions after pre-aging the solution at 25°C for 72 and 144 h, respectively. Ceria particles with similar morphologies and particle size to those of carbonate precursor could be obtained after calcination in air at 400°C. The monodispersed spherical, rod-like, and plate-like cerium oxide particles were successfully synthesized.

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    Bibliographic Info

    Article provided by World Scientific Publishing Co. Pte. Ltd. in its journal Surface Review and Letters.

    Volume (Year): 17 (2010)
    Issue (Month): 02 ()
    Pages: 147-152

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    Handle: RePEc:wsi:srlxxx:v:17:y:2010:i:02:p:147-152

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    Related research

    Keywords: Morphological control; monodispersed particles; mild solution process;

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