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Characterization of stability and challenges to improve lifetime in perovskite LEDs

Nature Photonics volume 15, pages 630–634 (2021)Cite this article

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Low stability of perovskite light-emitting diodes (PeLEDs) is the biggest obstacle to the commercialization of PeLED displays. Here, we cover the current status and challenges in analysing and improving the stability of PeLEDs and suggest some advice that will benefit the community to boost the operational lifetime of PeLEDs.

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Fig. 1: Lifetime measurement setup for PeLEDs.
Fig. 2: Lifetime characteristics of LEDs.
Fig. 3: Some selected PeLEDs with long lifetime, and their strategies to improve stability.

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Acknowledgements

This work was supported by the National Research Foundation of Korea (NRF) grant funded by the Korea government (MSIT) (NRF-2016R1A3B1908431).

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Authors and Affiliations

  1. Department of Materials Science and Engineering, Seoul National University, Seoul, Republic of Korea

    Seung-Je Woo, Joo Sung Kim & Tae-Woo Lee

  2. Research Institute of Advanced Materials, Seoul National University, Seoul, Republic of Korea

    Tae-Woo Lee

  3. School of Chemical and Biological Engineering, Institute of Engineering Research, Nano Systems Institute, Seoul National University, Seoul, Republic of Korea

    Tae-Woo Lee

Authors
  1. Seung-Je Woo
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  2. Joo Sung Kim
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  3. Tae-Woo Lee
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Corresponding author

Correspondence to Tae-Woo Lee.

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The authors declare no competing interests.

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Peer review information Nature Photonics thanks Franky So and the other, anonymous, reviewer(s) for their contribution to the peer review of this work.

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Woo, SJ., Kim, J.S. & Lee, TW. Characterization of stability and challenges to improve lifetime in perovskite LEDs. Nat. Photon. 15, 630–634 (2021). https://doi.org/10.1038/s41566-021-00863-2

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