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Three-dimensional periodic supramolecular organic framework ion sponge in water and microcrystals

Author

Listed:
  • Jia Tian

    (Collaborative Innovation Center of Chemistry for Energy Materials (iChEM), Fudan University)

  • Tian-You Zhou

    (Laboratory of Synthetic and Self-Assembly Chemistry for Organic Functional Molecules, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences)

  • Shao-Chen Zhang

    (Collaborative Innovation Center of Chemistry for Energy Materials (iChEM), Fudan University)

  • Shaul Aloni

    (The Molecular Foundry, Lawrence Berkeley National Laboratory)

  • Maria Virginia Altoe

    (The Molecular Foundry, Lawrence Berkeley National Laboratory)

  • Song-Hai Xie

    (Collaborative Innovation Center of Chemistry for Energy Materials (iChEM), Fudan University)

  • Hui Wang

    (Collaborative Innovation Center of Chemistry for Energy Materials (iChEM), Fudan University)

  • Dan-Wei Zhang

    (Collaborative Innovation Center of Chemistry for Energy Materials (iChEM), Fudan University)

  • Xin Zhao

    (Laboratory of Synthetic and Self-Assembly Chemistry for Organic Functional Molecules, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences)

  • Yi Liu

    (The Molecular Foundry, Lawrence Berkeley National Laboratory)

  • Zhan-Ting Li

    (Collaborative Innovation Center of Chemistry for Energy Materials (iChEM), Fudan University)

Abstract

Self-assembly has emerged as a powerful approach to generating complex supramolecular architectures. Despite there being many crystalline frameworks reported in the solid state, the construction of highly soluble periodic supramolecular networks in a three-dimensional space is still a challenge. Here we demonstrate that the encapsulation motif, which involves the dimerization of two aromatic units within cucurbit[8]uril, can be used to direct the co-assembly of a tetratopic molecular block and cucurbit[8]uril into a periodic three-dimensional supramolecular organic framework in water. The periodicity of the supramolecular organic framework is supported by solution-phase small-angle X-ray-scattering and diffraction experiments. Upon evaporating the solvent, the periodicity of the framework is maintained in porous microcrystals. As a supramolecular ‘ion sponge’, the framework can absorb different kinds of anionic guests, including drugs, in both water and microcrystals, and drugs absorbed in microcrystals can be released to water with selectivity.

Suggested Citation

  • Jia Tian & Tian-You Zhou & Shao-Chen Zhang & Shaul Aloni & Maria Virginia Altoe & Song-Hai Xie & Hui Wang & Dan-Wei Zhang & Xin Zhao & Yi Liu & Zhan-Ting Li, 2014. "Three-dimensional periodic supramolecular organic framework ion sponge in water and microcrystals," Nature Communications, Nature, vol. 5(1), pages 1-11, December.
    • Handle: RePEc:nat:natcom:v:5:y:2014:i:1:d:10.1038_ncomms6574
    DOI: 10.1038/ncomms6574
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