Hydrophobic Coatings Composed by Cubic-Shaped CdO Nanoparticles Grown by a Novel and Simple Microwave Method

Figure 6

Drop images analyzed for angle measurement. (a) As-synthesized nanoparticles, (b) annealed nanoparticles, (c) 20 : 1 ethanol : PTES-treated nanoparticles, and (d) 12 : 1 ethanol : PTES-treated nanoparticles.

(a)

(b)

(c)

(d)