Research Article

Needleless Electrospinning of Uniform Nanofibers Using Spiral Coil Spinnerets

Figure 9

(a) SEM images of coil electrospun PAN fibers (PAN concentrations = 12 wt%, b a r = 1 μm); (b) effects of PAN concentration on the fiber diameter and productivity.
785920.fig.009a
(a)
785920.fig.009b
(b)