Abstract
The emerging field of developing nanomaterials with stimuli responsive smart surfaces allows one to tune the surface properties for various useful applications such as self-cleaning surfaces, energy, oil/water separation, tunable optical lenses, microfluidics, and sensors etc. Such materials with smart surfaces having reversible switching properties between superhydrophilicity and superhydrophobicity, have shown strong capability for oil/water separation and been investigated extensively in the last decade. The oil/water separation is a field of high significance as it has direct practical implementation to resolve the problems of industrial oily wastewater and other oil/water pollutions. Various factors affecting the stimuli response of these smart surfaces such as light, pH, temperature, gas, electric and magnetic field etc. have been summarized to evaluate the enhanced surface properties for oil/water separation. Beside this, dual responsive smart surfaces have also been summarized for oil/water separations. This chapter highlights the recent accomplishments carried out in the development of such smart nanomaterials surfaces for oil/water separation.
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