Characteristics of Metal–Semiconductor–Metal Ultraviolet Photodetectors Based on Pure ZnO/Amorphous IGZO Thin-Film Structures

Figure 5

(a) Current responsivities of pure ZnO and a-IGZO thin films under different bias voltages. (b) Photoresponsivities of pure ZnO and a-IGZO thin films based on UV PDs at different wavelengths.

(a)

(b)