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Adjacent single-atom irons boosting molecular oxygen activation on MnO2

Author

Listed:
  • Huayu Gu

    (Central China Normal University)

  • Xiao Liu

    (Central China Normal University)

  • Xiufan Liu

    (Central China Normal University)

  • Cancan Ling

    (Central China Normal University)

  • Kai Wei

    (Central China Normal University)

  • Guangming Zhan

    (Central China Normal University)

  • Yanbing Guo

    (Central China Normal University)

  • Lizhi Zhang

    (Central China Normal University)

Abstract

Efficient molecular oxygen activation is crucial for catalytic oxidation reaction, but highly depends on the construction of active sites. In this study, we demonstrate that dual adjacent Fe atoms anchored on MnO2 can assemble into a diatomic site, also called as MnO2-hosted Fe dimer, which activates molecular oxygen to form an active intermediate species Fe(O = O)Fe for highly efficient CO oxidation. These adjacent single-atom Fe sites exhibit a stronger O2 activation performance than the conventional surface oxygen vacancy activation sites. This work sheds light on molecular oxygen activation mechanisms of transition metal oxides and provides an efficient pathway to activate molecular oxygen by constructing new active sites through single atom technology.

Suggested Citation

  • Huayu Gu & Xiao Liu & Xiufan Liu & Cancan Ling & Kai Wei & Guangming Zhan & Yanbing Guo & Lizhi Zhang, 2021. "Adjacent single-atom irons boosting molecular oxygen activation on MnO2," Nature Communications, Nature, vol. 12(1), pages 1-9, December.
    • Handle: RePEc:nat:natcom:v:12:y:2021:i:1:d:10.1038_s41467-021-25726-w
    DOI: 10.1038/s41467-021-25726-w
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    Cited by:

    1. Hao Yan & Bowen Liu & Xin Zhou & Fanyu Meng & Mingyue Zhao & Yue Pan & Jie Li & Yining Wu & Hui Zhao & Yibin Liu & Xiaobo Chen & Lina Li & Xiang Feng & De Chen & Honghong Shan & Chaohe Yang & Ning Yan, 2023. "Enhancing polyol/sugar cascade oxidation to formic acid with defect rich MnO2 catalysts," Nature Communications, Nature, vol. 14(1), pages 1-11, December.

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