Figure 12 | Scientific Reports

Figure 12

From: Durable superhydrophobic surfaces made by intensely connecting a bipolar top layer to the substrate with a middle connecting layer

Figure 12

SEM images of (a): the top surface of the whole superhydrophobic film; (b): enlarged picture of (a); (c): top surface, after only the hydrophilic middle layer was coated; (d): surface photo inside the middle layer showing the silica solid particles were wrapped by the 3D network structure formed by KH-560 and ODA; (e): the cross section of the whole superhydrophobic film; (f) the cross section of the middle connecting layer on the substrate.

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