Nature Communications (Apr 2019)

Spectra stable blue perovskite light-emitting diodes

  • Yuanzhi Jiang,
  • Chaochao Qin,
  • Minghuan Cui,
  • Tingwei He,
  • Kaikai Liu,
  • Yanmin Huang,
  • Menghui Luo,
  • Li Zhang,
  • Hongyu Xu,
  • Saisai Li,
  • Junli Wei,
  • Zhiyong Liu,
  • Huanhua Wang,
  • Gi-Hwan Kim,
  • Mingjian Yuan,
  • Jun Chen

DOI
https://doi.org/10.1038/s41467-019-09794-7
Journal volume & issue
Vol. 10, no. 1
pp. 1 – 9

Abstract

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Besides device operational stability, the color stability is also an important challenge for the perovskite light-emitting diodes, especially the blue ones. Here Jiang et al. report the most efficient and color stable pure-blue perovskite LEDs so far, with a half-lifetime of 14.5 minutes.