Surface Modification of Electrospun PVDF/PAN Nanofibrous Layers by Low Vacuum Plasma Treatment

Figure 3

SEM images and fibre diameter distribution of samples (a) S1, (b) S2, (c) S3, (d) S4, and (e) S5 before (1) and after (2) the lamination process.

(a)

(b)

(c)

(d)

(e)