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Elucidating heterogeneous photocatalytic superiority of microporous porphyrin organic cage

Author

Listed:
  • Chao Liu

    (University of Science and Technology Beijing)

  • Kunhui Liu

    (Beijing Normal University)

  • Chiming Wang

    (University of Science and Technology Beijing)

  • Heyuan Liu

    (China University of Petroleum (East China))

  • Hailong Wang

    (University of Science and Technology Beijing)

  • Hongmei Su

    (Beijing Normal University)

  • Xiyou Li

    (China University of Petroleum (East China))

  • Banglin Chen

    (University of Texas at San Antonio)

  • Jianzhuang Jiang

    (University of Science and Technology Beijing)

Abstract

The investigation on the catalytic properties of porous organic cages is still in an initial stage. Herein, the reaction of cyclohexanediamine with 5,15-di[3’,5’-diformyl(1,1’-biphenyl)]porphyrin affords a porphyrin tubular organic cage, PTC-1(2H). Transient absorption spectroscopy in solution reveals much prolonged triplet lifetime of PTC-1(2H) relative to monomer reference, illustrating the unique photophysical behavior of cagelike photosensitizer. The long triplet lifetime ensures high-efficiency singlet oxygen evolution according to homogeneous photo-bleach experiment, electron spin-resonance spectroscopy, and aerobic photo-oxidation of benzylamine. Furthermore, microporous supramolecular framework of PTC-1(2H) is able to promote the heterogeneous photo-oxidation of various primary amines with conversion efficiency above 99% under visible light irradiation. These results indicate the great application potentials of porous organic cages in heterogeneous phase.

Suggested Citation

  • Chao Liu & Kunhui Liu & Chiming Wang & Heyuan Liu & Hailong Wang & Hongmei Su & Xiyou Li & Banglin Chen & Jianzhuang Jiang, 2020. "Elucidating heterogeneous photocatalytic superiority of microporous porphyrin organic cage," Nature Communications, Nature, vol. 11(1), pages 1-9, December.
    • Handle: RePEc:nat:natcom:v:11:y:2020:i:1:d:10.1038_s41467-020-14831-x
    DOI: 10.1038/s41467-020-14831-x
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    Cited by:

    1. Liangxiao Tan & Jun-Hao Zhou & Jian-Ke Sun & Jiayin Yuan, 2022. "Electrostatically cooperative host-in-host of metal cluster ⊂ ionic organic cages in nanopores for enhanced catalysis," Nature Communications, Nature, vol. 13(1), pages 1-8, December.

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