Figure 2

(a) The schematic drawing of pentacene OFET with PVN as charge-trapping layer, (b) the alignments of energy levels for pentacene, PVN, ZnO and SiO2 in pentacene OFET.
(a) The schematic drawing of pentacene OFET with PVN as charge-trapping layer, (b) the alignments of energy levels for pentacene, PVN, ZnO and SiO2 in pentacene OFET.