921738.fig.007a
(a)
921738.fig.007b
(b)
921738.fig.007c
(c)
921738.fig.007d
(d)
Figure 7: SEM photograph of pentacene films on NC-films with various doped content: (a) neat PVP 9 wt%(cross-linked), (b) PVP+TiO2 1 wt%, (c) PVP+TiO2 3 wt%, and (d) PVP+TiO2 5 wt%.