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Hybrid perovskite light emitting diodes under intense electrical excitation

Author

Listed:
  • Hoyeon Kim

    (The Pennsylvania State University)

  • Lianfeng Zhao

    (Princeton University)

  • Jared S. Price

    (The Pennsylvania State University)

  • Alex J. Grede

    (The Pennsylvania State University)

  • Kwangdong Roh

    (Princeton University)

  • Alyssa N. Brigeman

    (The Pennsylvania State University)

  • Mike Lopez

    (The Pennsylvania State University)

  • Barry P. Rand

    (Princeton University
    Princeton University)

  • Noel C. Giebink

    (The Pennsylvania State University)

Abstract

Hybrid perovskite semiconductors represent a promising platform for color-tunable light emitting diodes (LEDs) and lasers; however, the behavior of these materials under the intense electrical excitation required for electrically-pumped lasing remains unexplored. Here, we investigate methylammonium lead iodide-based perovskite LEDs under short pulsed drive at current densities up to 620 A cm−2. At low current density (J 10 A cm−2), where EQE roll-off is dominated by a combination of Joule heating and charge imbalance yet shows no evidence of Auger loss, suggesting that operation at kA cm−2 current densities relevant for a laser diode should be within reach.

Suggested Citation

  • Hoyeon Kim & Lianfeng Zhao & Jared S. Price & Alex J. Grede & Kwangdong Roh & Alyssa N. Brigeman & Mike Lopez & Barry P. Rand & Noel C. Giebink, 2018. "Hybrid perovskite light emitting diodes under intense electrical excitation," Nature Communications, Nature, vol. 9(1), pages 1-9, December.
    • Handle: RePEc:nat:natcom:v:9:y:2018:i:1:d:10.1038_s41467-018-07383-8
    DOI: 10.1038/s41467-018-07383-8
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    Cited by:

    1. Hongjin Li & Xiaofang Zhu & Dingshuo Zhang & Yun Gao & Yifeng Feng & Zichao Ma & Jingyun Huang & Haiping He & Zhizhen Ye & Xingliang Dai, 2024. "Thermal management towards ultra-bright and stable perovskite nanocrystal-based pure red light-emitting diodes," Nature Communications, Nature, vol. 15(1), pages 1-9, December.

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