Nature Communications (Jun 2019)

Unveiling the synergistic effect of precursor stoichiometry and interfacial reactions for perovskite light-emitting diodes

  • Zhongcheng Yuan,
  • Yanfeng Miao,
  • Zhangjun Hu,
  • Weidong Xu,
  • Chaoyang Kuang,
  • Kang Pan,
  • Pinlei Liu,
  • Jingya Lai,
  • Baoquan Sun,
  • Jianpu Wang,
  • Sai Bai,
  • Feng Gao

DOI
https://doi.org/10.1038/s41467-019-10612-3
Journal volume & issue
Vol. 10, no. 1
pp. 1 – 9

Abstract

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Metal halide perovskite light-emitting diodes (PeLEDs) attract lots of attention but the role of charge transport layers is less known. Here, Yuan et al. explore the effects of precursor stoichiometry and interfacial reactions in the PeLEDs and achieve a high external quantum efficiency of 19.6%.