A Janus Mesh with Robust Interface and Controllable Wettability for Water Transport

Figure 4

Hydrophilic and hydrophobic gradient properties of different materials and structures. (a) Contact angle of different types of membranes; (b) average value of contact angles of different types of membranes; (c) FTIR of composite membrane before and after NaOH treatment proving that CA is hydrolyzed.

(a)

(b)

(c)