Figure 3.
FESEM images of fractured cross-sections of (a) TPF0, (b) TPF1, (c) TPF2 and (d) TPF3 films, acquired at 1000× magnification.
FESEM images of fractured cross-sections of (a) TPF0, (b) TPF1, (c) TPF2 and (d) TPF3 films, acquired at 1000× magnification.