Abstract: | 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. |