Nature Communications (Jul 2020)

Chelating-agent-assisted control of CsPbBr3 quantum well growth enables stable blue perovskite emitters

  • Ya-Kun Wang,
  • Dongxin Ma,
  • Fanglong Yuan,
  • Kamalpreet Singh,
  • Joao M. Pina,
  • Andrew Johnston,
  • Yitong Dong,
  • Chun Zhou,
  • Bin Chen,
  • Bin Sun,
  • Hinako Ebe,
  • James Fan,
  • Meng-Jia Sun,
  • Yuan Gao,
  • Zheng-Hong Lu,
  • Oleksandr Voznyy,
  • Liang-Sheng Liao,
  • Edward H. Sargent

DOI
https://doi.org/10.1038/s41467-020-17482-0
Journal volume & issue
Vol. 11, no. 1
pp. 1 – 7

Abstract

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Metal halide perovskites have been studied as promising materials for blue light-emitting diodes (LEDs) but the stability is still a bottleneck. Here Wang et al. develop a chelating additive strategy to increase efficiency, operational stability and color stability of blue perovskite LEDs.