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SUPER-HYDROPHOBIC NANOMATERIALS  Francesco Stellacci In recent memory, there have been numerous oil spill or leakage accidents which have drawn attention because of the serious environmental hazards they present. The clean-up of these disasters come at a high price and can take months to clean. In addition, existing clean-up materials are not as absorbent and as selective as necessary. Addressing the need for more efficient oil-spill cleanup is an important step in limiting the environmental devastation caused by these types of accidents. This project explores the properties of a new super-hydrophobic material derived from a macroscopic nanowire-assembly for selectively absorbing oil from water and separating different liquids. Initial results have demonstrated significant potential in such applications. The fabrication of these materials is simple and rapid, and the surface wetting properties can be tuned such that the materials can change from super-hydrophobic to super-hydrophilic reversibly. Such an approach could allow for the continuous absorption of hazardous materials, significantly impacting how hazardous accidents are cleaned. |
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MIT School of Engineering
© Copyright 2002-2005
Massachusetts Institute of Technology
Deshpande Center for Technological Innovation
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