Study on the Electrospun CNTs/Polyacrylonitrile-Based Nanofiber Composites

Figure 4

SEM micrographs of PAN/SWNTs nanofibers with different SWNTs concentration: (a) 0 wt%, (b) 0.25 wt%, (c) 0.5 wt%, (d) 1 wt%.

(a)

(b)

(c)

(d)