The nickel-dimethylglyoxime microtubes were synthesized by a facile coprecipitation method. The as-prepared superhydrophobic and superoleophilic films showed excellent oil–water separation efficiency and effective photocatalytic degradation.

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In this study, we report a facile solution route to prepare superhydrophobic and superoleophilic ZnC 4 O 4 concave microspheres. The surface morphologies and chemical compositions were determined through scanning electron microscopy (SEM), transmission electron microscopy (TEM), energy dispersive X-ray spectroscopy (EDX), X-ray powder diffraction (XRD), and X-ray photoelectron spectroscopy (XPS). The wettability of the as-synthesized ZnC 4 O 4 coordination compound surface was studied by measuring the contact angle (CA). A static CA for water over 160°was observed, which was closely related to both the structure and chemical modification of ZnC 4 O 4 , and a 0°static CA for octane was observed, which showed that the as-prepared ZnC 4 O 4 surface had superoleophilic properties. Furthermore, the as-prepared ZnC 4 O 4 surface showed superhydrophobicity for some corrosive liquids, such as acidic and basic aqueous solutions.

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