Surface wettability switching of metal-organic framework mesh for oil-water separation

The surface wettability switching of JUC-150 Metal-Organic Framework (MOF) mesh from hydrophilicity to hydrophobicity was achieved by a facial polydimethylsiloxane (PDMS) modification method. The PDMS modified JUC-150 mesh (JUC-150@PDMS mesh) exhibited high oil-water separation efficiency and flux attributed to the porous structure of the nickel mesh substrate. The passing phase (water or oil) through the MOF mesh can be determined according to the demand, which is of vital importance for industrial applications. Furthermore, this method is universal for other MOF meshes, films and membranes that will be applied in the field of water purification and gas mixture separation with steam.