ZNO NANOSTRUCTURE-BASED LIGHT EMITTING DEVICE

摘要

ZnO nanostructure-based LEDs are provided to improve the emission efficiency. The devices include several configurations. Single crystal ZnO or MgxZni-x0 nanotips are grown on the top of a GaN p-n junction. Also, n-type ZnO nanotips are grown on p-GaN film to form an n-type ZnO nanotip/p-GaN heteroj unction LED. A ZnO LED can be formed when depositing n-type ZnO nanotips on a p-type ZnO film layer. The ZnO nanotips, with a p-n junction in the tips, can be grown on glass for a low cost nano-LED, and can be grown on Si substrates to form an integrated ZnO nanoLED array on Si chips.