Permeability of Electrospun Superhydrophobic Nanofiber Mats

Figure 7

Photos of water drops on electrospun fiber mat surfaces from different polymer-solvent solution concentrations.

(a) 1% wt/wt PFMOP-solvent

(b) 2% wt/wt PFMOP-solvent

(c) 3% wt/wt PFMOP-solvent

(d) 4% wt/wt PFMOP-solvent