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J. Korean Ceram. Soc. > Volume 38(11); 2001 > Article
Journal of the Korean Ceramic Society 2001;38(11): 959.
Synthesis of Nanosized $CeO_2$Powders by Hydrothermal Process
Dong-Sik Bae, Yeong-Kyeun Paek1
Division of Ceramics, Korea Institute of Science & Technology
1Department of Materials Science & Engineering, Andong National University
ABSTRACT
Nanosized CeO$_2$Powders were prepared under high temperature and pressure conditions by precipitation from metal nitrates with aqueous potassium hydroxide. Spherical shape of CeO$_2$powder was obtained at 175$^{circ}C$ for 6h. TEM and X-ray diffraction patterns showed that the synthesized particle was crystalline. The average size and size distribution of the synthesized particles were below 30 nm and narrow, respectively. In addition, the effects of synthesis parameters under hydrothermal process are discussed.
Key words: $CeO_2$, Nanosized powder, Hydrothermal process, Spherical shape
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