ISSN

0974-4150 (Online)
0974-4169 (Print)


Author(s): Devi Radhika, A. Samson Nesaraj

Email(s): drsamson@karunya.edu

DOI: Not Available

Address: Devi Radhika and A. Samson Nesaraj*
Department of Chemistry, Karunya University, Coimbatore – 641 114, Tamil Nadu, India.
*Corresponding Author

Published In:   Volume - 4,      Issue - 9,     Year - 2011


ABSTRACT:
In this present research work, chemical precipitation technique was employed to synthesize doped ceria nano particles. The precursor materials, such as, cerium nitrate hexahydrate (basic material) and sodium hydroxide (precipitator material) were used to prepare different compositions of phase pure doped ceria (Ce0.9Gd0.1O2-d, Ce0.9Y0.1O2-d, Ce0.8Gd0.2O2-d and Ce0.8Y0.2O2-d) with an intention to use in solid oxide fuel cells (SOFCs) as electrolytes. The physico-chemical properties of the resultant oxides were characterized by XRD, FT-IR, particle size analysis and SEM. The XRD results revealed the formation of well-crystalline cubic fluorite structure in all the doped ceria powders after calcination at 750oC. The SEM observation showed an average grain size of about 50 – 100nm for the optimal doped ceria powder and particle size analysis gave a narrow distribution of particle size. These results suggest that doped ceria can further improve the use of SOFC at low temperatures.


Cite this article:
Devi Radhika, A. Samson Nesaraj. Preparation and Characterization of Doped Ceria Nano Particles by Chemical Precipitation. Asian J. Research Chem. 4(9): Sept, 2011; Page 1447-1452.


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