The texture of a surface at the nanoscale can significantly influence its hydrophobicity. By creating nanoscale structures such as pillars, grooves, or bumps, the effective surface area is increased, and air pockets are trapped beneath water droplets. This minimizes the contact area between the water and the surface, enhancing the hydrophobic effect. This principle is inspired by natural surfaces like the Lotus leaf, which is known for its high water repellency.
