ConclusionsIn conclusion, we have achieved a functionally integrated devicefor oil-water separation through a facile immersion and modi-fication process. Superhydrophobic and superoleophilic mesheswere fabricated by an immersion process after modified by stearicacid. The as-prepared stainless steel mesh surface exhibits bothsuperhydrophobicity with a WCA of 153 ± 3◦possessing simul-taneous a very low adhesion and superoleophilicity with anOCA of 0◦. Besides, a series of oil/water mixtures, such as chloroform/water, hexane/water, toluene/water,gasoline/water anddiesel/water, were observed to be separated by the mesh, theseparation efficiency of more than 93%. And it remained anexcellent efficiency even after 10 cycles. Furthermore, the as-prepared superhydrophobic mesh shows chemical stability in theair environment and corrosion environment. Thus, as-preparedfunctionalized meshes are expected to become sustainable andhighly effective materials for oil-water separation, as the materi-als can be recycled many times with remarkable durability. Webelieve such selectively separating materials can be used in a lot ofapplications, such as waste water treatment.