Assembly of Oriented Ultrafine Polymer Fibers by Centrifugal Electrospinning

Figure 9

SEM images of cross-aligned PS fiber arrays with angle of 90° fabricated by centrifugal electrospinning: (a) 1 × 1, (b) 2 × 2, and (c) 1 × 3.

(a)

(b)

(c)