Is superhydrophobicity equal to underwater superoleophilicity? Hydrophilic wetting defects on a superhydrophobic matrix with switchable superdewetting in both air and water
Yihan Sun, Jinxia Huang, Zhiguang Guo, Weimin Liu
Abstract
A simultaneous in-air superhydrophobic and underwater superoleophobic state is realized on a superhydrophobic matrix after incubation in weakly alkaline aqueous media.
Topics & Concepts
WettingUnderwaterMaterials scienceAqueous mediumMatrix (chemical analysis)Aqueous solutionNanotechnologyChemical engineeringWetting transitionComposite materialChemistryOrganic chemistryEngineeringGeologyOceanographySurface Modification and SuperhydrophobicityFluid Dynamics and Heat TransferFluid Dynamics and Thin Films