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Catalytic ozone decomposition and adsorptive VOCs removal in bimetallic metal-organic frameworks

Author

Listed:
  • Chen Dong

    (Beijing University of Technology)

  • Jia-Jia Yang

    (Beijing Normal University)

  • Lin-Hua Xie

    (Beijing University of Technology)

  • Ganglong Cui

    (Beijing Normal University)

  • Wei-Hai Fang

    (Beijing Normal University)

  • Jian-Rong Li

    (Beijing University of Technology)

Abstract

Atmospheric ozone has long been a threat to human health, however, rational design of high-performance O3-decomposition catalysts remains challenging. Herein, we demonstrate the great potential of a series of isomorphous bimetallic MOFs denoted as PCN-250(Fe2M) (M = Co2+, Ni2+, Mn2+) in catalytic O3 decomposition. Particularly, PCN-250(Fe2Co) showed 100% O3 removal efficiency for a continuous air flow containing 1 ppm O3 over a wide humidity range (0 ‒ 80% RH) at room temperature. Mechanism studies suggested that the high catalytic performance originated from the introduction of open Co(II) sites as well as its porous structure. Additionally, at low pressures around 10 Pa, PCN-250(Fe2Co) exhibited high adsorption capacities (89 ‒ 241 mg g−1) for most VOCs, which are not only a class of hazardous air pollutants but also the precursor of O3. This work opens up a new avenue to develop advanced air purification materials for O3 and VOCs removal in one.

Suggested Citation

  • Chen Dong & Jia-Jia Yang & Lin-Hua Xie & Ganglong Cui & Wei-Hai Fang & Jian-Rong Li, 2022. "Catalytic ozone decomposition and adsorptive VOCs removal in bimetallic metal-organic frameworks," Nature Communications, Nature, vol. 13(1), pages 1-10, December.
    • Handle: RePEc:nat:natcom:v:13:y:2022:i:1:d:10.1038_s41467-022-32678-2
    DOI: 10.1038/s41467-022-32678-2
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    1. Dawei Feng & Kecheng Wang & Zhangwen Wei & Ying-Pin Chen & Cory M. Simon & Ravi K. Arvapally & Richard L. Martin & Mathieu Bosch & Tian-Fu Liu & Stephen Fordham & Daqiang Yuan & Mohammad A. Omary & Ma, 2014. "Kinetically tuned dimensional augmentation as a versatile synthetic route towards robust metal–organic frameworks," Nature Communications, Nature, vol. 5(1), pages 1-9, December.
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    Cited by:

    1. Dingren Ma & Qiyu Lian & Yexing Zhang & Yajing Huang & Xinyi Guan & Qiwen Liang & Chun He & Dehua Xia & Shengwei Liu & Jiaguo Yu, 2023. "Catalytic ozonation mechanism over M1-N3C1 active sites," Nature Communications, Nature, vol. 14(1), pages 1-11, December.

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