Lotus-inspired nanotechnology applications
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The water-repellent surface of lotus (Nelumbo nucifera) leaf and flower is due to nanosized wax papillae on the upper side of each epidermal cell. As a result, raindrops make a high contact angle with the papillae and roll off carrying dust and dirt particles, leaving the surface clean. This self-cleaning property of highly hydrophobic surfaces, termed as the lotus effect, has opened the possibilities of fabricating superhydrophobic surfaces for a variety of products.
KeywordsLotus self-cleaning hydrophobicity nanotechnology
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- P Forbes, Self-cleaning materials, Sci. Amer., August 2008.Google Scholar