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Redox-triggered switching in three-dimensional covalent organic frameworks

Author

Listed:
  • Chao Gao

    (Wuhan University)

  • Jian Li

    (Peking University
    Stockholm University)

  • Sheng Yin

    (Wuhan University)

  • Junliang Sun

    (Peking University
    Stockholm University)

  • Cheng Wang

    (Wuhan University)

Abstract

The tuning of molecular switches in solid state toward stimuli-responsive materials has attracted more and more attention in recent years. Herein, we report a switchable three-dimensional covalent organic framework (3D COF), which can undergo a reversible transformation through a hydroquinone/quinone redox reaction while retaining the crystallinity and porosity. Our results clearly show that the switching process gradually happened through the COF framework, with an almost quantitative conversion yield. In addition, the redox-triggered transformation will form different functional groups on the pore surface and modify the shape of pore channel, which can result in tunable gas separation property. This study strongly demonstrates 3D COFs can provide robust platforms for efficient tuning of molecular switches in solid state. More importantly, switching of these moieties in 3D COFs can remarkably modify the internal pore environment, which will thus enable the resulting materials with interesting stimuli-responsive properties.

Suggested Citation

  • Chao Gao & Jian Li & Sheng Yin & Junliang Sun & Cheng Wang, 2020. "Redox-triggered switching in three-dimensional covalent organic frameworks," Nature Communications, Nature, vol. 11(1), pages 1-8, December.
    • Handle: RePEc:nat:natcom:v:11:y:2020:i:1:d:10.1038_s41467-020-18588-1
    DOI: 10.1038/s41467-020-18588-1
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    Cited by:

    1. Yangyang Xu & Tu Sun & Tengwu Zeng & Xiangyu Zhang & Xuan Yao & Shan Liu & Zhaolin Shi & Wen Wen & Yingbo Zhao & Shan Jiang & Yanhang Ma & Yue-Biao Zhang, 2023. "Symmetry-breaking dynamics in a tautomeric 3D covalent organic framework," Nature Communications, Nature, vol. 14(1), pages 1-10, December.
    2. Jian Li & Cong Lin & Tianqiong Ma & Junliang Sun, 2022. "Atomic-resolution structures from polycrystalline covalent organic frameworks with enhanced cryo-cRED," Nature Communications, Nature, vol. 13(1), pages 1-8, December.

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