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Rational design of crystalline supermicroporous covalent organic frameworks with triangular topologies

Author

Listed:
  • Sasanka Dalapati

    (Institute for Molecular Science, National Institutes of Natural Sciences)

  • Matthew Addicoat

    (WPI-Research Initiative Institute of Transformative Bio-Molecules, Graduate School of Science, Nagoya University)

  • Shangbin Jin

    (Institute for Molecular Science, National Institutes of Natural Sciences)

  • Tsuneaki Sakurai

    (Graduate School of Engineering, Kyoto University, A4 Kyoto University Katsura Campus)

  • Jia Gao

    (Institute for Molecular Science, National Institutes of Natural Sciences)

  • Hong Xu

    (Institute for Molecular Science, National Institutes of Natural Sciences)

  • Stephan Irle

    (WPI-Research Initiative Institute of Transformative Bio-Molecules, Graduate School of Science, Nagoya University)

  • Shu Seki

    (Graduate School of Engineering, Kyoto University, A4 Kyoto University Katsura Campus)

  • Donglin Jiang

    (Institute for Molecular Science, National Institutes of Natural Sciences)

Abstract

Covalent organic frameworks (COFs) are an emerging class of highly ordered porous polymers with many potential applications. They are currently designed and synthesized through hexagonal and tetragonal topologies, limiting the access to and exploration of new structures and properties. Here, we report that a triangular topology can be developed for the rational design and synthesis of a new class of COFs. The triangular topology features small pore sizes down to 12 Å, which is among the smallest pores for COFs reported to date, and high π-column densities of up to 0.25 nm−2, which exceeds those of supramolecular columnar π-arrays and other COF materials. These crystalline COFs facilitate π-cloud delocalization and are highly conductive, with a hole mobility that is among the highest reported for COFs and polygraphitic ensembles.

Suggested Citation

  • Sasanka Dalapati & Matthew Addicoat & Shangbin Jin & Tsuneaki Sakurai & Jia Gao & Hong Xu & Stephan Irle & Shu Seki & Donglin Jiang, 2015. "Rational design of crystalline supermicroporous covalent organic frameworks with triangular topologies," Nature Communications, Nature, vol. 6(1), pages 1-8, November.
    • Handle: RePEc:nat:natcom:v:6:y:2015:i:1:d:10.1038_ncomms8786
    DOI: 10.1038/ncomms8786
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    Cited by:

    1. Jia Yen Lai & Lock Hei Ngu & Siti Salwa Hashim, 2021. "A review of CO2 adsorbents performance for different carbon capture technology processes conditions," Greenhouse Gases: Science and Technology, Blackwell Publishing, vol. 11(5), pages 1076-1117, October.
    2. Ke Tian Tan & Shanshan Tao & Ning Huang & Donglin Jiang, 2021. "Water cluster in hydrophobic crystalline porous covalent organic frameworks," Nature Communications, Nature, vol. 12(1), pages 1-10, December.

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