A CMOS Photodetector for Direct Color Imaging

Broadband photoresponse in plasmon-enhanced Ga-doped ZnO

“…Photodetectors are devices that convert optical signals into electrical signals, and have a wide range of applications from everyday life to the military field. [1][2][3][4][5][6][7] Zinc oxide (ZnO) is an n-type wide direct bandgap (3.37 eV) semiconductor that is useful in ultraviolet (UV) optoelectronics. In comparison to other competing materials, such as GaN, ZnO has a higher exciton binding energy (ZnO: 60 meV and GaN: 26 meV) and a higher visible band transparency (480%).…”