Figure 1.
Scanning electron microscopy images of PAN-MA aligned fibers (A) and smooth film (B). Scale bar represents 2 μm in (A) and 0.3 μm in (B). Atomic force microscope analysis of fiber topographies (C, D). (E, F) Height profiles (white lines in (C) and (D)). Scan area for (C): 10 × 10 μm2 and (D): 1 × 1 μm2.