Figure 17.

(a) Chemical structures of the coating materials; (b) coating procedure; (c) photographs of yellow-colored water, red-colored cooking oil, and blue-colored ethanol (volume 35 μL) on cotton fabrics; Still frames taken from a video to show the dropping of red-dyed cooking oil onto the UV-irradiated “front” and “back” surfaces (d) and corresponding schematic illustations (e); (f) after ZnO treatment and (g) after both ZnO and fluorinated-decyl polyhedral oligomeric silsesquioxanes (FD-POSS)/fluorinated alkylsilane (FAS) treatment (scale bar in the SEM images, 2 μm). (Reprinted from Reference [174] with permission).