Catalysis Letters

, Volume 131, Issue 3–4, pp 350–355 | Cite as

The Synthesis of Three-Dimensional CeO2 and Their Catalytic Activities for CO Oxidation

  • Wenjuan Shan
  • Xiaowei Dong
  • Na Ma
  • Shiyan Yao
  • Zhaochi Feng


This article reports a novel preparation of three-dimensional (3D) CeO2 originating from crystalline cerium formate by a surfactant-free route using H2O, ethanol and ethylene glycol as solvents. The sea urchin shaped 3D CeO2 gave rise to micro/nanocomposite structures with high BET surface area up to 234 m2 g−1. The 3D structure improved the reducibility of surface CeO2 due to the increased oxygen vacancy. Both 3D CeO2 and 5 wt% CuO loaded on 3D CeO2 exhibit high catalytic activities for CO conversion.


CeO2 Three-dimension (3D) Micro/nanocomposite structure and CO oxidation 



We thank the Important Project of National Natural Science Foundation of China (No. 20603016) and Liaoning Provincial Science & Technology Project of China (No. 20071074) for financial support of this research.


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Copyright information

© Springer Science+Business Media, LLC 2009

Authors and Affiliations

  • Wenjuan Shan
    • 1
  • Xiaowei Dong
    • 1
  • Na Ma
    • 1
  • Shiyan Yao
    • 1
  • Zhaochi Feng
    • 2
  1. 1.Institute of Chemistry for Functionalized Materials, College of Chemistry and Chemical EngineeringLiaoning Normal UniversityDalianChina
  2. 2.State Key Laboratory of Catalysis, Dalian Institute of Chemical PhysicsChinese Academy of SciencesDalianChina

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