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    Rational design of mixed-matrix metal-organic framework membranes for molecular separations

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    MEddaoudi--- Science 2022 (main manuscript ).pdf
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    Type
    Article
    Authors
    Datta, Shuvo Jit cc
    Mayoral, Alvaro cc
    Bettahalli Narasimha, Murthy Srivatsa cc
    Bhatt, Prashant cc
    Karunakaran, Madhavan
    Carja, Ionela-Daniela
    Fan, Dong cc
    Graziane M. Mileo, Paulo cc
    Semino, Rocio cc
    Maurin, Guillaume cc
    Terasaki, Osamu
    Eddaoudi, Mohamed cc
    KAUST Department
    Advanced Membranes and Porous Materials Research Center
    Chemical Science Program
    Functional Materials Design, Discovery and Development (FMD3)
    Physical Science and Engineering (PSE) Division
    Date
    2022-06-02
    Permanent link to this record
    http://hdl.handle.net/10754/678597
    
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    Abstract
    Conventional separation technologies to separate valuable commodities are energy intensive, consuming 15% of the worldwide energy. Mixed-matrix membranes, combining processable polymers and selective adsorbents, offer the potential to deploy adsorbent distinct separation properties into processable matrix. We report the rational design and construction of a highly efficient, mixed-matrix metal-organic framework membrane based on three interlocked criteria: (i) a fluorinated metal-organic framework, AlFFIVE-1-Ni, as a molecular sieve adsorbent that selectively enhances hydrogen sulfide and carbon dioxide diffusion while excluding methane; (ii) tailoring crystal morphology into nanosheets with maximally exposed (001) facets; and (iii) in-plane alignment of (001) nanosheets in polymer matrix and attainment of [001]-oriented membrane. The membrane demonstrated exceptionally high hydrogen sulfide and carbon dioxide separation from natural gas under practical working conditions. This approach offers great potential to translate other key adsorbents into processable matrix.
    Citation
    Datta, S. J., Mayoral, A., Murthy Srivatsa Bettahalli, N., Bhatt, P. M., Karunakaran, M., Carja, I. D., Fan, D., Graziane M. Mileo, P., Semino, R., Maurin, G., Terasaki, O., & Eddaoudi, M. (2022). Rational design of mixed-matrix metal-organic framework membranes for molecular separations. Science, 376(6597), 1080–1087. https://doi.org/10.1126/science.abe0192
    Sponsors
    This research was supported by the King Abdullah University of Science and Technology (KAUST; S.J.D. and M.E.). O.T. acknowledges support from CℏEM, ShanghaiTech University (grant no. EM02161943). A.M. acknowledges support from the Spanish Ministry of Science and Innovation (grant no. RYC2018-024561-I) and the Regional Government of Aragon (grant no. DGA E13_20R).
    Publisher
    American Association for the Advancement of Science (AAAS)
    Journal
    Science
    DOI
    10.1126/science.abe0192
    PubMed ID
    35653472
    Additional Links
    https://www.science.org/doi/10.1126/science.abe0192
    ae974a485f413a2113503eed53cd6c53
    10.1126/science.abe0192
    Scopus Count
    Collections
    Articles; Advanced Membranes and Porous Materials Research Center; Physical Science and Engineering (PSE) Division; Functional Materials Design, Discovery and Development (FMD3); Chemical Science Program

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