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    A Polymorphic Azobenzene Cage for Energy Efficient and Highly Selective p-Xylene Separation.

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    A polymorphic.pdf
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    Description:
    Accepted Article
    Embargo End Date:
    2021-09-03
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    Type
    Article
    Authors
    Moosa, Basem cc
    Alimi, Lukman Olawale
    Shkurenko, Aleksander cc
    Fakim, Aliyah
    Bhatt, Prashant
    Zhang, Gengwu
    Eddaoudi, Mohamed cc
    Khashab, Niveen M. cc
    KAUST Department
    Advanced Membranes and Porous Materials Research Center
    Chemical Science
    Chemical Science Program
    Functional Materials Design, Discovery and Development (FMD3)
    Physical Science and Engineering (PSE) Division
    Smart Hybrid Materials (SHMs) lab
    Date
    2020-10-02
    Online Publication Date
    2020-10-02
    Print Publication Date
    2020-11-23
    Embargo End Date
    2021-09-03
    Submitted Date
    2020-05-31
    Permanent link to this record
    http://hdl.handle.net/10754/665034
    
    Metadata
    Show full item record
    Abstract
    Developing the competency of molecular sorbents for energy-saving applications, such as C8 separations, requires efficient, stable, scalable and easily recyclable materials that can readily transition to commercial implementation. Here, we report an azobenzene-based cage for the selective separation of  p -xylene isomer across a range of C8 isomers in both vapor and liquid states with selectivity that is higher than the reported all-organic sorbents. Interestingly, the crystal structure shows non-porous cages that are separated by  p- xylene molecules through selective CH… p  interactions between the azo bonds and the methyl hydrogens of the xylene molecules. This cage is stable in solution and can be regenerated directly under vacuum to be used in multiple cycles. We envisage that this work will promote the investigation of the azo bond as well as guest induced crystal to crystal phase transition in non-porous organic solids for pivotal energy intensive separations.
    Citation
    Moosa, B., Alimi, L., Shkurenko, A., Fakim, A., Bhatt, P., Zhang, G., … Khashab, N. (2020). A Polymorphic Azobenzene Cage for Energy Efficient and Highly Selective p-Xylene Separation. Angewandte Chemie International Edition. doi:10.1002/anie.202007782
    Publisher
    Wiley
    Journal
    Angewandte Chemie (International ed. in English)
    DOI
    10.1002/anie.202007782
    10.1002/ange.202007782
    10.1002/anie.202013213
    10.1002/ange.202013213
    PubMed ID
    32876969
    Additional Links
    https://onlinelibrary.wiley.com/doi/abs/10.1002/anie.202007782
    Relations
    Is Supplemented By:
    • [Dataset]
      Moosa, Basem, Alimi, Lukman O., Shkurenko, Aleksander, Fakim, Aliyah, Bhatt, Prashant M., Zhang, Gengwu, Eddaoudi, Mohamed, & Khashab, Niveen M. (2020). CCDC 2005983: Experimental Crystal Structure Determination [Data set]. Cambridge Crystallographic Data Centre. https://doi.org/10.5517/CCDC.CSD.CC25BD42. DOI: 10.5517/ccdc.csd.cc25bd42 HANDLE: 10754/666369
    • [Dataset]
      Moosa, Basem, Alimi, Lukman O., Shkurenko, Aleksander, Fakim, Aliyah, Bhatt, Prashant M., Zhang, Gengwu, Eddaoudi, Mohamed, & Khashab, Niveen M. (2020). CCDC 2005984: Experimental Crystal Structure Determination [Data set]. Cambridge Crystallographic Data Centre. https://doi.org/10.5517/CCDC.CSD.CC25BD53. DOI: 10.5517/ccdc.csd.cc25bd53 HANDLE: 10754/666370
    ae974a485f413a2113503eed53cd6c53
    10.1002/anie.202007782
    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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