Journal
CHEMISTRY-A EUROPEAN JOURNAL
Volume 22, Issue 31, Pages 10937-10943Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/chem.201601724
Keywords
fluorine; hydrophobicity; membranes; metal-organic frameworks; X-ray diffraction
Categories
Funding
- IISER Pune
- CSIR
- DST-FIST [SR/FST/CSII-023/2012]
- DST-SERB [SB/S1/PC-39/2012]
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Derived from a strategically chosen hexafluorinated dicarboxylate linker aimed at the designed synthesis of a superhydrophobic metal-organic framework (MOF), the fluorine-rich nanospace of a water-stable MOF (UHMOF-100) exhibits excellent water-repellent features. It registered the highest water contact angle (approximate to 176 degrees) in the MOF domain, marking the first example of an ultrahydrophobic MOF. Various experimental and theoretical studies reinforce its distinc-tive water-repellent characteristics, and the conjugation of superoleophilicity and unparalleled hydrophobicity of a MOF material has been coherently exploited to achieve real-time oil/water separation in recyclable membrane form, with significant absorption capacity performance. This is also the first report of an oil/water separating fluorinated ultrahydrophobic MOF-based membrane material, with potential promise for tackling marine oil spillages.
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