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  • Defect-driven oxygen reduction reaction (ORR) of carbon without any element doping

    Author(s)
    Zhao, Xiaojun
    Zou, Xiaoqin
    Yan, Xuecheng
    Brown, Christopher L
    Chen, Zhigang
    Zhu, Guangshan
    Yao, Xiangdong
    Griffith University Author(s)
    Brown, Chris L.
    Yao, Xiangdong
    Zhu, Guangshan
    Zhao, Xiaojun
    Yan, Xuecheng
    Year published
    2016
    Metadata
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    Abstract
    A porous carbon (PC) material, containing carbon and oxygen only, was synthesized via carbonisation of a Zn-MOF (IRMOF-8) at 950 °C. Interestingly, the derived materials of this reaction exhibit excellent electrocatalytic activity, molecular selectivity and long-term durability. The fact that this material, which is effectively a “pure” carbon, lacking any elemental doping, exhibits excellent oxygen reduction reaction (ORR) activity suggests that a mechanism not dependent on elemental doping is being utilised. We suggest the formation of defects arising from the removal of Zn atoms as a consequence of the calcination procedure ...
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    A porous carbon (PC) material, containing carbon and oxygen only, was synthesized via carbonisation of a Zn-MOF (IRMOF-8) at 950 °C. Interestingly, the derived materials of this reaction exhibit excellent electrocatalytic activity, molecular selectivity and long-term durability. The fact that this material, which is effectively a “pure” carbon, lacking any elemental doping, exhibits excellent oxygen reduction reaction (ORR) activity suggests that a mechanism not dependent on elemental doping is being utilised. We suggest the formation of defects arising from the removal of Zn atoms as a consequence of the calcination procedure play the critical role in this process.
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    Journal Title
    Inorganic Chemistry Frontiers
    Volume
    3
    DOI
    https://doi.org/10.1039/c5qi00236b
    Subject
    Inorganic Chemistry not elsewhere classified
    Inorganic Chemistry
    Publication URI
    http://hdl.handle.net/10072/100538
    Collection
    • Journal articles

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