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Characterization of CeO2 Fine Particles Prepared by the Homogeneous Precipitation Method with a Mixed Solutionof Ethylene Glycol and Polyethylene Glycol

Published online by Cambridge University Press:  03 March 2011

Naofumi Uekawa ,
Masayuki Ueta ,
Yong Jun Wu  and
Kazuyuki Kakegawa
Naofumi Uekawa*
Affiliation:
Department of Materials Technology, Faculty of Engineering, and Center for Frontier Electronics and Photonics, Chiba University, Inage-ku, Chiba-shi 263-8522, Japan
Masayuki Ueta
Affiliation:
Department of Materials Technology, Faculty of Engineering, Chiba University, Inage-ku, Chiba-shi 263-8522, Japan
Yong Jun Wu
Affiliation:
Center for Frontier Electronics and Photonics, Chiba University, Inage-ku, Chiba-shi 263-8522, Japan
Kazuyuki Kakegawa
Affiliation:
Department of Materials Technology, Faculty of Engineering, and Center for Frontier Electronics and Photonics, Chiba University, Inage-ku, Chiba-shi 263-8522, Japan
*
a)Address all correspondence to this author. e-mail: uekawa@faculty.chiba-u.jp
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Abstract

Cerium oxide (CeO2) nanoparticles were obtained by heating a polyethylene glycol (PEG) solution of cerium nitrate hydrate [Ce(NO3)3 6H2O] at 383 K for 3 h. When the PEG, whose molecular weight was 20,000, was used for the preparation, the monodispersed CeO2, whose particle size was about 102 nm, was obtained. When the mixture of PEG20,000 and ethylene glycol (EG) was used to prepare the PEG solution of cerium nitrate hydrate, the average particle size increased from 102 nm to 660 nm with an increase in the EG content of the solution. The pore structure in the obtained CeO2 particles also depended on the weight ratio between EG and PEG20,000.

Keywords

PowderMorphologyNanoparticle
Type
Articles
Information
Journal of Materials Research , Volume 19 , Issue 4 , April 2004 , pp. 1087 - 1092
Copyright
Copyright © Materials Research Society 2004

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References

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