Figure 3. SEM image of PCL electrospun fibers of 12% polymer solution (Average fiber diameter: 466 ± 242 nm)

From

Fabrication of Poly(Caprolactone) Nanofibers by Electrospinning

Athira K. S., Pallab Sanpui, Kaushik Chatterjee

Journal of Polymer and Biopolymer Physics Chemistry. 2014, 2(4), 62-66 doi:10.12691/jpbpc-2-4-1