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

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Abstract

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.

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Acknowledgments

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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Authors and Affiliations

  1. Institute of Chemistry for Functionalized Materials, College of Chemistry and Chemical Engineering, Liaoning Normal University, 850 Huang he road, Sha he kou qu, 116029, Dalian, China

    Wenjuan Shan, Xiaowei Dong, Na Ma & Shiyan Yao

  2. State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, 116023, Dalian, China

    Zhaochi Feng

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  1. Wenjuan Shan
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  2. Xiaowei Dong
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  3. Na Ma
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  4. Shiyan Yao
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Correspondence to Wenjuan Shan.

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Shan, W., Dong, X., Ma, N. et al. The Synthesis of Three-Dimensional CeO2 and Their Catalytic Activities for CO Oxidation. Catal Lett 131, 350–355 (2009). https://doi.org/10.1007/s10562-009-0069-x

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  • DOI: https://doi.org/10.1007/s10562-009-0069-x

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