Effective Utilization of the Electrostatic Repulsion for Improved Alignment of Electrospun Nanofibers

Figure 8

The SEM images of the electrospun PVP K90 nanofibers collected on the metal rod frame using the metal spinneret (a and b) and the PP-coated spinneret (c and d).

(a)

(b)

(c)

(d)