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Spinel-Type Cobalt–Manganese-Based Mixed Oxide as Sacrificial Catalyst for the High-Yield Production of Homogeneous Carbon Nanotubes

Authors

  • Dr. Jean-Philippe Tessonnier,

    Corresponding author
    1. Department of Inorganic Chemistry, Fritz-Haber-Institute of the Max-Planck-Society, Faradyweg 4-6, 14195 Berlin (Germany), Fax: (+49) 30-8413-4401
    • Department of Inorganic Chemistry, Fritz-Haber-Institute of the Max-Planck-Society, Faradyweg 4-6, 14195 Berlin (Germany), Fax: (+49) 30-8413-4401
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  • Michael Becker,

    1. Laboratory of Industrial Chemistry, Ruhr-University Bochum, Universitätsstr. 150, 44801 Bochum (Germany), Fax: (+49) 234-32-14115
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  • Dr. Wei Xia,

    1. Laboratory of Industrial Chemistry, Ruhr-University Bochum, Universitätsstr. 150, 44801 Bochum (Germany), Fax: (+49) 234-32-14115
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  • Dr. Frank Girgsdies,

    1. Department of Inorganic Chemistry, Fritz-Haber-Institute of the Max-Planck-Society, Faradyweg 4-6, 14195 Berlin (Germany), Fax: (+49) 30-8413-4401
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  • Dr. Raoul Blume,

    1. Department of Inorganic Chemistry, Fritz-Haber-Institute of the Max-Planck-Society, Faradyweg 4-6, 14195 Berlin (Germany), Fax: (+49) 30-8413-4401
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  • Dr. Lide Yao,

    1. Department of Inorganic Chemistry, Fritz-Haber-Institute of the Max-Planck-Society, Faradyweg 4-6, 14195 Berlin (Germany), Fax: (+49) 30-8413-4401
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  • Dr. Dang Sheng Su,

    1. Department of Inorganic Chemistry, Fritz-Haber-Institute of the Max-Planck-Society, Faradyweg 4-6, 14195 Berlin (Germany), Fax: (+49) 30-8413-4401
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  • Prof. Martin Muhler,

    Corresponding author
    1. Laboratory of Industrial Chemistry, Ruhr-University Bochum, Universitätsstr. 150, 44801 Bochum (Germany), Fax: (+49) 234-32-14115
    • Laboratory of Industrial Chemistry, Ruhr-University Bochum, Universitätsstr. 150, 44801 Bochum (Germany), Fax: (+49) 234-32-14115
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  • Prof. Robert Schlögl

    1. Department of Inorganic Chemistry, Fritz-Haber-Institute of the Max-Planck-Society, Faradyweg 4-6, 14195 Berlin (Germany), Fax: (+49) 30-8413-4401
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Abstract

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Sacrificing the catalyst: Controlled reduction of a spinel-type Co–Mn-based mixed oxide leads to a collapse of the oxide structure and the nucleation of 10 nm Co particles. This catalyst facilitates the growth of homogeneous carbon nanotubes with yields 2–9 times higher than those reported to date, indicating that carbon nanotubes might finally become a commodity chemical.

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