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    Insights into the Enhancement of MOF/Polymer Adhesion in Mixed-Matrix Membranes via Polymer Functionalization

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    Type
    Article
    Authors
    Carja, Ionela-Daniela
    Tavares, Sergio Rodrigues
    Shekhah, Osama cc
    Ozcan, Aydin
    Semino, Rocio cc
    Kale, Vinayak Swamirao cc
    Eddaoudi, Mohamed cc
    Maurin, Guillaume
    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
    KAUST Grant Number
    A0100907613
    Date
    2021-06-09
    Embargo End Date
    2022-06-09
    Submitted Date
    2021-02-28
    Permanent link to this record
    http://hdl.handle.net/10754/669498
    
    Metadata
    Show full item record
    Abstract
    MOF-based mixed-matrix membranes (MMMs) prepared using standard routes often exhibit poor adhesion between polymers and MOFs. Herein, we report an unprecedented systematic exploration on polymer functionalization as the key to achieving defect-free MMMs. As a case study, we explored computationally MMMs based on the combination of the prototypical UiO-66(Zr) MOF with polymer of intrinsic porosity-1 (PIM-1) functionalized with various groups including amidoxime, tetrazole, and N-((2-ethanolamino)ethyl)carboxamide. Distinctly, the amidoxime-derivative PIM-1/UiO-66(Zr) MMM was predicted to express the desired enhanced MOF/polymer interfacial interactions and thus subsequently prepared and evaluated experimentally. Prominently, high-resolution transmission electron microscopy confirmed optimal adhesion between the two components in contrast to the nanometer-sized voids/defects shown by the pristine PIM-1/UiO-66(Zr) MMM. Notably, single-gas permeation measurements further corroborated the need of optimal MOF/polymer adhesion in order to effectively enable the MOF to play a role in the gas transport of the resulting MMM.
    Citation
    Carja, I.-D., Tavares, S. R., Shekhah, O., Ozcan, A., Semino, R., Kale, V. S., … Maurin, G. (2021). Insights into the Enhancement of MOF/Polymer Adhesion in Mixed-Matrix Membranes via Polymer Functionalization. ACS Applied Materials & Interfaces. doi:10.1021/acsami.1c03859
    Sponsors
    The research reported in this publication was supported by King Abdullah University of Science and Technology (KAUST).
    The research leading to part of these results has received funding from the King Abdullah University of Science and Technology (KAUST) under Center Partnership Fund Program (CPF 2910). This work was granted access to the HPC resources of CINES under the allocation A0100907613 made by GENCI
    Publisher
    American Chemical Society (ACS)
    Journal
    ACS Applied Materials & Interfaces
    DOI
    10.1021/acsami.1c03859
    Additional Links
    https://pubs.acs.org/doi/10.1021/acsami.1c03859
    ae974a485f413a2113503eed53cd6c53
    10.1021/acsami.1c03859
    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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