Figure 4
Scanning electron microscope (SEM) images of film B on clean Si substrate. (a) The surface image of film B; the insert is water contact angles. (b) The cross-sectional image of film B.
Figure 4 | Nanoscale Research Letters
Scanning electron microscope (SEM) images of film B on clean Si substrate. (a) The surface image of film B; the insert is water contact angles. (b) The cross-sectional image of film B.