Mixed halide perovskites for spectrally stable and high-efficiency blue light-emitting diodes

oleh: Max Karlsson, Ziyue Yi, Sebastian Reichert, Xiyu Luo, Weihua Lin, Zeyu Zhang, Chunxiong Bao, Rui Zhang, Sai Bai, Guanhaojie Zheng, Pengpeng Teng, Lian Duan, Yue Lu, Kaibo Zheng, Tönu Pullerits, Carsten Deibel, Weidong Xu, Richard Friend, Feng Gao

Format: Article
Diterbitkan: Nature Portfolio 2021-01-01

Deskripsi

Achieving bright and efficient blue emission in metal halide perovskite light-emitting diodes has proven to be challenging. Here, the authors demonstrate high EQE and spectrally stable blue light-emitting diodes based on mixed halide perovskites, with emission from 490 to 451 nm by using a vapour-assisted crystallization technique.