Improved Adhesion of Nonfluorinated ZnO Nanotriangle Superhydrophobic Layer on Glass Surface by Spray-Coating Method

Figure 4

2D AFM images of (a) bare glass, (b) DMDEOS, (c) PDMS, (d) ZnO-nt/PDMS, and (e) ZnO-C/PDMS coated-glass. (a^a, b^a, c^a, d^a, and e^a) The FE-SEM images of corresponding samples; (a^b, b^b, c^b, d^b, and e^b) the AFM line profile; the red arrow shows the narrow scan of AFM line profile of ZnO-nt/PDMS.