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. 2015 Sep 10;5:14030. doi: 10.1038/srep14030

Figure 6. Photographs of the four layer-by-layer composite coatings after exposure to water vapor.

Figure 6

The hydrophilic coatings maintain transparency due to the formation of a thin water film on the surface. The hydrophobic coatings become opaque due to the formation of discrete water droplets on the surface.