Effects of Annealing Environments on the Solution-Grown, Aligned Aluminium-Doped Zinc Oxide Nanorod-Array-Based Ultraviolet Photoconductive Sensor

Figure 8

Schematic band diagram of the as-grown, oxygen-annealed, air-annealed, and vacuum-annealed Al-doped ZnO nanorod arrays illustrating the band bending due to oxygen adsorption and defects.