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

Figure 8. Optical micrographs of contaminated coatings before and after self-cleaning test on flat and the superhydrophobic layer-by-layer composite coatings.

Figure 8

Dark spots on coatings and cloth indicate silicon carbide particle contaminants. Image analysis suggests a >90% removal of particles on the two composite coatings.