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Facile Approach to Graft Ionic Liquid into MOF for Improving the Efficiency of CO2 Chemical Fixation.

Yuxiu SunHongliang HuangHarsh VardhanBriana AguilaChongli ZhongJason A PermanAbdullah M Al-EniziAyman NafadyShengqian Ma
Published in: ACS applied materials & interfaces (2018)
This work describes a facile approach to modify metal-organic frameworks (MOFs) with ionic liquids (ILs), rendering them as useful heterogeneous catalysts for CO2 chemical fixation. An amino-functionalized imidazolium-based ionic liquid is firmly grafted into the porous MOF, MIL-101-SO3H by the acid-base attraction between positively charged ammonium groups on the IL and negatively charged sulfonate groups from the MOF. Analyses by Fourier transform infrared spectroscopy, X-ray photoelectron spectroscopy, 1H NMR, and N2 sorption experiments reveal the MOF-supported ionic liquid (denoted as IL@MOF) material remains intact while functioning as a recyclable heterogeneous catalyst that can efficiently convert CO2 and epichlorohydrin into chloropropene carbonate without the addition of a cocatalyst.
Keyphrases
  • ionic liquid
  • metal organic framework
  • room temperature
  • high resolution
  • minimally invasive
  • magnetic resonance
  • gold nanoparticles
  • single molecule
  • molecularly imprinted