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Imaging the node-linker coordination in the bulk and local structures of metal-organic frameworks

Author

Listed:
  • Boyuan Shen

    (Tsinghua University)

  • Xiao Chen

    (Tsinghua University)

  • Kui Shen

    (South China University of Technology)

  • Hao Xiong

    (Tsinghua University)

  • Fei Wei

    (Tsinghua University)

Abstract

Porous metal-organic frameworks (MOFs) have shown wide applications in catalysis, gas storage and separation due to their highly tunable porosity, connectivity and local structures. However, the electron-beam sensitivity of MOFs makes it difficult to achieve the atomic imaging of their bulk and local structures under (scanning) transmission electron microscopy ((S)TEM) to study their structure-property relations. Here, we report the low-dose imaging of a beam-sensitive MOF, MIL-101, under a Cs-corrected STEM based on the integrated differential phase contrast (iDPC) technique. The images resolve the coordination of Cr nodes and organic linkers inside the frameworks with an information transfer of ~1.8Å. The local structures in MIL-101 are also revealed under iDPC-STEM, including the surfaces, interfaces and defects. These results provide an extensible method to image various beam-sensitive materials with ultrahigh resolution, and unravel the whole framework architectures for further defect and surface engineering of MOFs towards tailored functions.

Suggested Citation

  • Boyuan Shen & Xiao Chen & Kui Shen & Hao Xiong & Fei Wei, 2020. "Imaging the node-linker coordination in the bulk and local structures of metal-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_s41467-020-16531-y
    DOI: 10.1038/s41467-020-16531-y
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    Cited by:

    1. Huiqiu Wang & Boyuan Shen & Xiao Chen & Hao Xiong & Hongmei Wang & Wenlong Song & Chaojie Cui & Fei Wei & Weizhong Qian, 2022. "Modulating inherent lewis acidity at the intergrowth interface of mortise-tenon zeolite catalyst," Nature Communications, Nature, vol. 13(1), pages 1-9, December.
    2. Guusje Delen & Matteo Monai & Katarina Stančiaková & Bettina Baumgartner & Florian Meirer & Bert M. Weckhuysen, 2023. "Structure sensitivity in gas sorption and conversion on metal-organic frameworks," Nature Communications, Nature, vol. 14(1), pages 1-11, December.
    3. Boyang Liu & Xiao Chen & Ning Huang & Shaoxiong Liu & Yu Wang & Xiaocheng Lan & Fei Wei & Tiefeng Wang, 2023. "Imaging the dynamic influence of functional groups on metal-organic frameworks," Nature Communications, Nature, vol. 14(1), pages 1-8, December.
    4. Linjing Tong & Siming Huang & Yujian Shen & Suya Liu & Xiaomin Ma & Fang Zhu & Guosheng Chen & Gangfeng Ouyang, 2022. "Atomically unveiling the structure-activity relationship of biomacromolecule-metal-organic frameworks symbiotic crystal," Nature Communications, Nature, vol. 13(1), pages 1-9, December.
    5. Mengmeng Ma & Xuliang Zhang & Xiao Chen & Hao Xiong & Liang Xu & Tao Cheng & Jianyu Yuan & Fei Wei & Boyuan Shen, 2023. "In situ imaging of the atomic phase transition dynamics in metal halide perovskites," Nature Communications, Nature, vol. 14(1), pages 1-9, December.
    6. Xinxing Peng & Philipp M. Pelz & Qiubo Zhang & Peican Chen & Lingyun Cao & Yaqian Zhang & Hong-Gang Liao & Haimei Zheng & Cheng Wang & Shi-Gang Sun & Mary C. Scott, 2022. "Observation of formation and local structures of metal-organic layers via complementary electron microscopy techniques," Nature Communications, Nature, vol. 13(1), pages 1-9, December.

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