(a)
1% wt/wt PFMOP-solvent
(b)
2% wt/wt PFMOP-solvent
(c)
3% wt/wt PFMOP-solvent
(d)
4% wt/wt PFMOP-solvent
Figure 7:
Photos of water drops on electrospun fiber mat surfaces from different polymer-solvent solution concentrations.