Metal halide perovskite light-emitting diodes (PeLEDs) have surpassed the 20% external quantum efficiency (EQE) limit for planar organic LED (OLED)-like device structures 1,2,3,4,5,6,7,8,9,10. The ...
Developing aluminium gallium nitride deep-ultraviolet (UVC) micro-light-emitting diodes (micro-LEDs) with sufficient power has been a challenge, which particularly limits these devices to various ...