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Dynamic and transformable Cu12 cluster-based C-H···π-stacked porous supramolecular frameworks

Author

Listed:
  • Chengkai Zhang

    (Shandong University)

  • Zhi Wang

    (Shandong University)

  • Wei-Dan Si

    (Shandong University)

  • Hongxu Chu

    (Shandong University)

  • Lan Zhou

    (Shandong University)

  • Tong Li

    (Shandong University)

  • Xian-Qiang Huang

    (Liaocheng University)

  • Zhi-Yong Gao

    (Henan Normal University)

  • Mohammad Azam

    (King Saud University)

  • Chen-Ho Tung

    (Shandong University)

  • Ping Cui

    (Shandong University)

  • Di Sun

    (Shandong University)

Abstract

The assembly of cluster-based π-stacked porous supramolecular frameworks presents daunting challenges, including the design of suitable cluster building units, control of the sufficient C-H···π interactions, trade-off between structural dynamics and stability as well as understanding the resulting collective properties. Herein, we report a cluster-based C-H···π interaction-stacked porous supramolecular framework, namely, Cu12a-π, consisting of Cu12 nanocluster as a 6-connected node, which is further propagated to a dynamic porous supramolecular frameworks via dense intralayer C-H···π interactions, yielding permanent porosity. In addition, Cu12a-π can be transformed into cluster-based nonporous adaptive crystals (Cu12b-NACs) via ligand-exchange following a dissociation-reassembly mechanism. Moreover, Cu12a-π can efficiently remove 97.2% of iodine from saturated iodine aqueous solutions with a high uptake capacity of 2.96 g·g−1. These prospective results positioned at cluster-based porous supramolecular framework and enlighten follow-up researchers to design and synthesize such materials with better performance.

Suggested Citation

  • Chengkai Zhang & Zhi Wang & Wei-Dan Si & Hongxu Chu & Lan Zhou & Tong Li & Xian-Qiang Huang & Zhi-Yong Gao & Mohammad Azam & Chen-Ho Tung & Ping Cui & Di Sun, 2023. "Dynamic and transformable Cu12 cluster-based C-H···π-stacked porous supramolecular frameworks," Nature Communications, Nature, vol. 14(1), pages 1-9, December.
    • Handle: RePEc:nat:natcom:v:14:y:2023:i:1:d:10.1038_s41467-023-42201-w
    DOI: 10.1038/s41467-023-42201-w
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    Cited by:

    1. Zhan-Hua Zhao & Bao-Liang Han & Hai-Feng Su & Qi-Lin Guo & Wen-Xin Wang & Jing-Qiu Zhuo & Yong-Nan Guo & Jia-Long Liu & Geng-Geng Luo & Ping Cui & Di Sun, 2024. "Buckling cluster-based H-bonded icosahedral capsules and their propagation to a robust zeolite-like supramolecular framework," Nature Communications, Nature, vol. 15(1), pages 1-9, December.

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