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    Finely Tuned Submicroporous Thin-Film Molecular Sieve Membranes for Highly Efficient Fluid Separations

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    Thumbnail
    Name:
    Trip_Adv_Mat.2020.pdf
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    2.580Mb
    Format:
    PDF
    Description:
    Accepted manuscript
    Embargo End Date:
    2021-04-22
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    Thumbnail
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    Trip_TFC_SI.pdf
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    6.383Mb
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    Description:
    supplementary file
    Embargo End Date:
    2021-04-22
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    Type
    Article
    Authors
    Ali, Zain cc
    Ghanem, Bader
    Wang, Yingge
    Pacheco Oreamuno, Federico cc
    Ogieglo, Wojciech
    Vovusha, Hakkim
    Genduso, Giuseppe
    Schwingenschlögl, Udo cc
    Han, Yu cc
    Pinnau, Ingo cc
    KAUST Department
    Advanced Membranes and Porous Materials Research Center
    Chemical Engineering Program
    Chemical Science Program
    Computational Physics and Materials Science (CPMS)
    Material Science and Engineering Program
    Nanostructured Functional Materials (NFM) laboratory
    Physical Science and Engineering (PSE) Division
    KAUST Grant Number
    BAS/1/1323-01-01
    Date
    2020-04-21
    Online Publication Date
    2020-04-21
    Print Publication Date
    2020-06
    Embargo End Date
    2021-04-22
    Submitted Date
    2020-02-17
    Permanent link to this record
    http://hdl.handle.net/10754/662615
    
    Metadata
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    Abstract
    Polymeric membranes with increasingly high permselective performances are gaining a significant role in lowering the energy burden and improving the environmental sustainability of complex chemical separations. However, the commercial deployment of newly designed materials with promising intrinsic properties for fluid separations has been stalled by challenges associated with fabrication and scale up of low-cost, high-performance, defect-free thin-film composite (TFC) membranes. Here, a facile method to fabricate next-generation TFC membranes using a bridged-bicyclic triptycene tetra-acyl chloride (Trip) building block with a large fraction of finely tuned structural submicroporosity (pore size < 4 Å) is demonstrated. The TFCs exhibit superb potential for removal of small (≈200 g mol−1) organic microcontaminants from organic solvent streams by showing both improved rejection and permeance in organic systems compared to current state-of-the-art commercial membranes. The TFCs also display unprecedented properties for desalination applications with performance located far above the current water permeance/sodium chloride rejection trendline. The strategy of using highly contorted triptycene building blocks with well-defined interconnected internal free volume elements establishes a scalable, generalized approach to fabricate highly selective, submicroporous TFC membranes for a wide variety of challenging energy-intensive fluid separations.
    Citation
    Ali, Z., Ghanem, B. S., Wang, Y., Pacheco, F., Ogieglo, W., Vovusha, H., … Pinnau, I. (2020). Finely Tuned Submicroporous Thin-Film Molecular Sieve Membranes for Highly Efficient Fluid Separations. Advanced Materials, 2001132. doi:10.1002/adma.202001132
    Sponsors
    The research reported in this publication was supported by funding (BAS/1/1323-01-01) from King Abdullah University of Science and Technology (KAUST). The authors would like to thank Dr. Tiara Puspasari for her help with collecting electrokinetic data.
    Publisher
    Wiley
    Journal
    Advanced Materials
    DOI
    10.1002/adma.202001132
    10.1002/adma.202070171
    Additional Links
    https://onlinelibrary.wiley.com/doi/abs/10.1002/adma.202001132
    ae974a485f413a2113503eed53cd6c53
    10.1002/adma.202001132
    Scopus Count
    Collections
    Articles; Advanced Membranes and Porous Materials Research Center; Physical Science and Engineering (PSE) Division; Chemical Science Program; Chemical Engineering Program; Material Science and Engineering Program; Computational Physics and Materials Science (CPMS)

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