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Cobalt-Doping-Induced Synthesis of Ceria Nanodisks and Their Significantly Enhanced Catalytic Activity

Authors

  • Xiao-Hui Guo,

    Corresponding author
    1. Division of Nanomaterials & Chemistry, Hefei National Laboratory for Physical Sciences at Microscale, Department of Chemistry, Department of Chemical Physics, National Synchrotron Radiation Laboratory, University of Science and Technology of China, Hefei 230026, P.R. China
    2. Key Lab of Synthetic and Natural Functional, Molecule Chemistry of Ministry of Education, and the College of Chemistry and Materials Science, Northwest University, Xi'an 710069, P.R. China
    • Key Lab of Synthetic and Natural Functional, Molecule Chemistry of Ministry of Education, and the College of Chemistry and Materials Science, Northwest University, Xi'an 710069, P.R. China.
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  • Chao-Chao Mao,

    1. Key Lab of Synthetic and Natural Functional, Molecule Chemistry of Ministry of Education, and the College of Chemistry and Materials Science, Northwest University, Xi'an 710069, P.R. China
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  • Ji Zhang,

    1. Key Lab of Synthetic and Natural Functional, Molecule Chemistry of Ministry of Education, and the College of Chemistry and Materials Science, Northwest University, Xi'an 710069, P.R. China
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  • Jun Huang,

    1. Department of Chemistry, Fudan University, Shanghai 230024, P.R. China
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  • Wa-Nv Wang,

    1. Key Lab of Synthetic and Natural Functional, Molecule Chemistry of Ministry of Education, and the College of Chemistry and Materials Science, Northwest University, Xi'an 710069, P.R. China
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  • Yong-Hui Deng,

    1. Department of Chemistry, Fudan University, Shanghai 230024, P.R. China
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  • Yao-Yu Wang,

    1. Key Lab of Synthetic and Natural Functional, Molecule Chemistry of Ministry of Education, and the College of Chemistry and Materials Science, Northwest University, Xi'an 710069, P.R. China
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  • Yong Cao,

    1. Department of Chemistry, Fudan University, Shanghai 230024, P.R. China
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  • Wei-Xin Huang,

    1. Division of Nanomaterials & Chemistry, Hefei National Laboratory for Physical Sciences at Microscale, Department of Chemistry, Department of Chemical Physics, National Synchrotron Radiation Laboratory, University of Science and Technology of China, Hefei 230026, P.R. China
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  • Shu-Hong Yu

    Corresponding author
    1. Division of Nanomaterials & Chemistry, Hefei National Laboratory for Physical Sciences at Microscale, Department of Chemistry, Department of Chemical Physics, National Synchrotron Radiation Laboratory, University of Science and Technology of China, Hefei 230026, P.R. China
    • Division of Nanomaterials & Chemistry, Hefei National Laboratory for Physical Sciences at Microscale, Department of Chemistry, Department of Chemical Physics, National Synchrotron Radiation Laboratory, University of Science and Technology of China, Hefei 230026, P.R. China
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Abstract

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High-quality cobalt-doped ceria nanostructures with triangular column, triangular slab, and disklike shapes are synthesized by tuning the doping amount of cobalt nitrate in a facile hydrothermal reaction. The cobalt-doped ceria nanodisks display significantly enhanced catalytic activity in CO oxidation due to exposed highly active crystal planes and the presence of numerous surface defects.

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