Controlled Morphology of Porous Polyvinyl Butyral Nanofibers

Figure 8

SEM images of PVB nanofibers prepared from 10 wt.% THF/DMSO (9/1 v/v): (a) applied voltage of 30 kV (b) applied voltage of 35 kV and an electrode-to-collector distance of 10 cm.

(a)

(b)