Yes, the contact angle can be modified through various surface treatments:
Chemical Functionalization: Adding or removing specific functional groups can change the surface energy and wettability. Plasma Treatment: Exposing the surface to plasma can introduce new functional groups or remove contaminants. Coating: Applying a thin layer of a different material can alter the surface properties. Nano-structuring: Creating nano-scale features can enhance specific interactions at the surface, modifying the contact angle.
