Synthesis and Characterization of Samarium Doped Ceria(Ce0.8Sm0.2O1.9) Nano-Particle by Aerosol Plasma Pyrolysis

Kenichi Myoujin; Yoshiki Ichikawa; Araki Toriyama; Takayuki Kodera; Takashi Ogihara

doi:10.4028/www.scientific.net/KEM.421-422.490

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HomeKey Engineering MaterialsKey Engineering Materials Vols. 421-422Synthesis and Characterization of Samarium Doped...

Synthesis and Characterization of Samarium Doped Ceria(Ce_0.8Sm_0.2O_1.9) Nano-Particle by Aerosol Plasma Pyrolysis

Abstract:

Spherical Ce0.8Sm0.2O1.9 precursor powders were synthesized by Aerosol Plasma pyrolysis using aqueous solution of metal nitrate. As-prepared powders obtained by this method have a spherical morphology with a nano size and submicron size. They had bimodal size distribution. The average size of primary particles was less than 100 nm. The concentrations of starting solution influenced to average particle size. The relative density of SDC pellet was highest when it was sintered at 1623 K. The relative density was 86 %. XRD, SEM, DTA-TG and BET analysis were used for determination of the composition, morphology, particle size and surface area.