Journal
CHEMISTRY-A EUROPEAN JOURNAL
Volume 24, Issue 15, Pages 3754-3759Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/chem.201704929
Keywords
hierarchically porous materials; hydrophobic effects; metal-organic frameworks; oil/water separation; zeolitic imidazolate frameworks
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Funding
- National Natural Science Foundation of China [21331003, 21622105, 51638011]
- Ministry of Education of China [B12015]
- Natural Science Foundation of Tianjin [15JCYBJC47000]
- Fundamental Research Funds for the Central Universities
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The applications of three-dimensional superstructures that consist of metal-organic framework (MOF) crystals are promising, but limited by spatial control over the crystallization process. Here a hydrophobic hierarchical metal-organic framework (HZIF-8) containing unusual micro-, meso-, and macropores was designed and synthesized by a template strategy, in which the polystyrene (PS) not only acted as the template to construct the macropores, but also modified the hydrophilic crystal surface of ZIF-8. When used as adsorbent for liquid oil/water separation, HZIF-8 demonstrated significantly enhanced oil adsorption performance while maintaining very low water uptake.
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