Figure 4

Optical micrograph image for (a) CSPEN1, (b) CSPEN2, (c) CSPEN3, (d) CSPEN4 (the dark regions indicated by green rows are amorphous phases) and (e) CSPEN5 (the spherulites indicated by green rows are distinguishable crystalline phases).
Optical micrograph image for (a) CSPEN1, (b) CSPEN2, (c) CSPEN3, (d) CSPEN4 (the dark regions indicated by green rows are amorphous phases) and (e) CSPEN5 (the spherulites indicated by green rows are distinguishable crystalline phases).