Recent Progress in Ohmic/Schottky-Contacted ZnO Nanowire Sensors

Figure 5

Schematic diagram of the working principle of a nanowire based nanosensor for (a) the Schottky-gated structure. (b) The energy-band diagram at the interface of the metal-ZnO contact, where a Schottky barrier is formed. The barrier height and width can be tuned in response to the change in the surrounding environment around the contact area [3]. Copyright 2010, John Wiley and Sons.

(a)

(b)