To increase the efficiency, brightness and stability of next-generation light-emitting diodes (LEDs), the microstructure of CsPbI3-xBrx metal-halide perovskite, a good pure-red emitter, was altered to fix hole leakage, which was identified as decreasing efficiencies in overworked LEDs.
- Yong-Hui Song
- Bo Li
- Hong-Bin Yao