Perovskite Light-Emitting Diodes: Efficient CsPbBr₃ Perovskite Light-Emitting Diodes Enabled by Synergetic Morphology Control (Advanced Optical Materials 4/2019)

In article number 1801534, Yan-Qing Li, Feng Gao, Chun-Sing Lee, Jian-Xin Tang, and co-workers propose a method for the synergetic morphology control over cesium lead bromide perovskite films. Bright perovskite light-emitting diodes (PeLEDs) are achieved due to the synergetic interplay of small grain sizes for efficient energy funneling and defect passivation for suppressing nonradiative recombination losses. Efficient flexible PeLEDs on plastics are also realized, showing great potential for commercially viable applications.