Synthesis And Morphological Control Of Monodispersed Microsized Ceria Particles
AbstractThe 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 InfoArticle provided by World Scientific Publishing Co. Pte. Ltd. in its journal Surface Review and Letters.
Volume (Year): 17 (2010)
Issue (Month): 02 ()
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Web page: http://www.worldscinet.com/srl/srl.shtml
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