Skip to main content
. 2019 Sep 16;9:13280. doi: 10.1038/s41598-019-49887-3

Figure 1.

Figure 1

(a) The advancing and receding contact angles for substrates with increasing number of coatings. SEM top down images were also taken of 1 to 5 spray coatings, (b,d,f,h,j) respectively. SEM cross-section images were also taken for 1 to 5 spray coatings, (c,e,g,I,k), respectively.