COMPOSITE MATERIALS BASED ON MOF ZIF-8 AND IONIC LIQUID [BMIm]<sup>+</sup>[BF<sub>4</sub>]<sup>−</sup>: AN EPR STUDY USING NITROXIDE SPIN PROBES

Abstract

A method for the controlled filling of pores in metal-organic frameworks (MOFs) with ionic liquids (ILs) is proposed, which can be applied for selective gas sorption in MOFs. Using an example of MOF ZIF-8 and IL [BMIm]+[BF4]−, the composites with different IL content were prepared upon control by electron paramagnetic resonance (EPR) of nitroxide spin probes. The effect of IL on the sorption of nitric oxide (II) into these composites was studied using inversion gas chromatography.