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Journal of Inorganic Materials

Journal of Inorganic Materials >

2006 , Vol. 21 >Issue 4: 809 - 814

DOI: https://doi.org/10.3724/SP.J.1077.2006.00809

Research Paper

Nano-scale Ce0.8Y0.2O1.9 Powders Prepared by Low Temperature Combustion
Synthesis Technique

  • XU Hong-Mei ,
  • YAN Hong-Ge ,
  • CHEN Zhen-Hua
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  • College of Materials Science and Engineering, Hunan University, Changsha 410082, China

Received date: 2005-08-15

  Revised date: 2005-11-18

  Online published: 2006-07-20

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Abstract

Nanocrystalline Ce0.8Y0.2O1.9 solid solution was synthesized by a gel combustion
technique using citric acid as reductant and nitrates as oxidants. The effects of processing parameters, such as the amount of citric acid, the pH value of solution, the amount of oxidants on the gel formation and the powders characteristics of the product were investigated by using TG/DTA, XRD, FTIR, Raman and TEM. The stable gel was obtained by controlling the amount of citric acid and the pH value.
The nanocrystalline Ce0.8Y0.2O1.9 powders in the range of 5nm to 40nm were
obtained by changing the amount of oxidants. The Raman investigation showed that the oxygen vacancy concentration increased with the increase of the amount of oxidants.

Key words： nanosized solid solution; combustion synthesis; Ce0.8Y0.2O1.9; Raman spectroscopy

Cite this article

XU Hong-Mei , YAN Hong-Ge , CHEN Zhen-Hua . Nano-scale Ce0.8Y0.2O1.9 Powders Prepared by Low Temperature Combustion
Synthesis Technique[J]. Journal of Inorganic Materials, 2006 , 21(4) : 809 -814 . DOI: 10.3724/SP.J.1077.2006.00809

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