Rational design of mixed-matrix metal-organic framework membranes for molecular separations
Type
ArticleAuthors
Datta, Shuvo Jit
Mayoral, Alvaro

Bettahalli Narasimha, Murthy Srivatsa

Bhatt, Prashant

Karunakaran, Madhavan
Carja, Ionela-Daniela
Fan, Dong

Graziane M. Mileo, Paulo

Semino, Rocio

Maurin, Guillaume

Terasaki, Osamu
Eddaoudi, Mohamed

KAUST Department
Advanced Membranes and Porous Materials Research CenterChemical Science Program
Functional Materials Design, Discovery and Development (FMD3)
Physical Science and Engineering (PSE) Division
Date
2022-06-02Permanent link to this record
http://hdl.handle.net/10754/678597
Metadata
Show full item recordAbstract
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.abe0192Sponsors
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).Journal
SciencePubMed ID
35653472Additional Links
https://www.science.org/doi/10.1126/science.abe0192ae974a485f413a2113503eed53cd6c53
10.1126/science.abe0192
Scopus Count
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