Green Approaches, Potentials, and Applications of Zinc Oxide Nanoparticles in Surface Coatings and Films

Figure 18

Different surfaces coated with paint containing ZnO NPs. (a) Carbon steel surface coated with paint blended with 2% ZnO NPs, (b) clear PU and white PU blended with ZnO NPs for wood and cement slab panels, respectively, (c) and (d) display common wood used in households. The image was taken from Ref. [23].