Abstract
AbstractSummary: A rather simple but yet effective way to achieve a superhydrophobic film by extending a Teflon film is proposed. The water‐contact angle can be increased from 118 to 165° by extending to ca. 190%. The fibrous crystals and the increasing distance between the fibrous crystals are believed responsible for the high water‐contact angle. It indicates that the density of the aligned microstructures is very important for the superhydrophobicity.Water‐contact angle and the corresponding shapes of water droplets as a function of extension ratio of Teflon tape.imageWater‐contact angle and the corresponding shapes of water droplets as a function of extension ratio of Teflon tape.
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