Figure 1 | NPG Asia Materials

Figure 1

From: Diffusion-driven currents in organic-semiconductor diodes

Figure 1

Energy-band diagram of an organic hole-only MIM diode. The layer thickness is L and x denotes the position in the diode. The contact at x=0 is Ohmic, whereas the collecting contact at x=L is separated from the valence band by a barrier height ϕb. (a) Thermal equilibrium and upon applying a small positive bias smaller than the built-in voltage (dashed). (b) Band diagram at thermal equilibrium when including band bending due to injected holes at the ohmic contact.

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