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Smart Hierarchical Zeolitic Imidazolate Framework-Coated Stainless Steel Meshes with Switchable Wettability for Oil/Water Separation

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  • معلومة اضافية
    • الموضوع:
      2022
    • Collection:
      Discovery - University of Dundee Online Publications
    • نبذة مختصرة :
      Selective filtration based on superwetting materials has brought about widespread attention in the field of oil/water separation. In this study, a ZIF-L@8-coated stainless steel mesh (ZIF-L@8-coated SSM) was prepared via in situ growth of two-dimensional leaf-shaped ZIF-L nanosheets on SSM, followed by heterogeneous epitaxial growth of ZIF-8 on a ZIF-L coating. The synthesized ZIF-L@8-coated SSM with a hierarchical micro/nanoscale structure exhibited outstanding switchable wettability between underwater superoleophobicity and underoil superhydrophobicity upon respective prewetting using water and oil without additional external stimuli. It possessed excellent separation performances and stabilities with respect to various types of oil/water mixtures. The switchable wettability mechanism was analyzed and elucidated in detail. The synthesized ZIF-L@8-coated SSM with switchable wettability in this study would have great potential in on-demand oil/water separation.
    • File Description:
      application/pdf
    • Relation:
      https://discovery.dundee.ac.uk/en/publications/a32e3140-08d0-4ab2-9625-c545d85d09b6
    • الرقم المعرف:
      10.1021/acs.langmuir.2c00894
    • الدخول الالكتروني :
      https://doi.org/10.1021/acs.langmuir.2c00894
      https://discovery.dundee.ac.uk/en/publications/a32e3140-08d0-4ab2-9625-c545d85d09b6
      https://discovery.dundee.ac.uk/ws/files/77156393/PDF_Proof.pdf
    • Rights:
      info:eu-repo/semantics/openAccess
    • الرقم المعرف:
      edsbas.46D9A583