Figure 2 : Properties of MoO3/PEDOT/SLG stack.

From: Efficient and bright organic light-emitting diodes on single-layer graphene electrodes

Figure 2

Atomic force microscopy (ad) images of (a) SLG on polished silicon wafer, (b) 3 nm MoO3 on SLG on silicon, (c) 20 nm poly (3,4-ethylenedioxythiophene) poly(styrenesulfonate) (PEDOT:PSS) on SLG on silicon and (d) 3 nm MoO3 on 20 nm PEDOT:PSS on SLG on silicon. The image size of each panel is 0.5 × 0.5 μm2; scale-bar, 100 nm long. (e) Transmission spectrum of the MoO3/PEDOT/SLG, SLG and DLG.