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Proton-transfer-induced 3D/2D hybrid perovskites suppress ion migration and reduce luminance overshoot

Author

Listed:
  • Hobeom Kim

    (Seoul National University)

  • Joo Sung Kim

    (Seoul National University)

  • Jung-Min Heo

    (Seoul National University)

  • Mingyuan Pei

    (Inha University)

  • In-Hyeok Park

    (National University of Singapore)

  • Zhun Liu

    (Jilin University)

  • Hyung Joong Yun

    (Korea Basic Science Institute (KBSI))

  • Min-Ho Park

    (Seoul National University)

  • Su-Hun Jeong

    (Seoul National University)

  • Young-Hoon Kim

    (Seoul National University)

  • Jin-Woo Park

    (Seoul National University)

  • Emad Oveisi

    (École Polytechnique Fédérale de Lausanne (EPFL))

  • Satyawan Nagane

    (University of Cambridge)

  • Aditya Sadhanala

    (University of Cambridge
    University of Oxford
    Indian Institute of Science)

  • Lijun Zhang

    (Jilin University)

  • Jin Jung Kweon

    (Seoul National University)

  • Sung Keun Lee

    (Seoul National University
    Seoul National University)

  • Hoichang Yang

    (Inha University)

  • Hyun Myung Jang

    (Pohang University of Science and Technology)

  • Richard H. Friend

    (University of Cambridge)

  • Kian Ping Loh

    (National University of Singapore)

  • Mohammad Khaja Nazeeruddin

    (Group for Molecular Engineering of Function Materials, Institute of Chemical Sciences and Engineering, École Polytechnique Fédérale de Lausanne (EPFL))

  • Nam-Gyu Park

    (Sungkyunkwan University)

  • Tae-Woo Lee

    (Seoul National University
    Seoul National University
    Seoul National University)

Abstract

Perovskite light-emitting diodes (PeLEDs) based on three-dimensional (3D) polycrystalline perovskites suffer from ion migration, which causes overshoot of luminance over time during operation and reduces its operational lifetime. Here, we demonstrate 3D/2D hybrid PeLEDs with extremely reduced luminance overshoot and 21 times longer operational lifetime than 3D PeLEDs. The luminance overshoot ratio of 3D/2D hybrid PeLED is only 7.4% which is greatly lower than that of 3D PeLED (150.4%). The 3D/2D hybrid perovskite is obtained by adding a small amount of neutral benzylamine to methylammonium lead bromide, which induces a proton transfer from methylammonium to benzylamine and enables crystallization of 2D perovskite without destroying the 3D phase. Benzylammonium in the perovskite lattice suppresses formation of deep-trap states and ion migration, thereby enhances both operating stability and luminous efficiency based on its retardation effect in reorientation.

Suggested Citation

  • Hobeom Kim & Joo Sung Kim & Jung-Min Heo & Mingyuan Pei & In-Hyeok Park & Zhun Liu & Hyung Joong Yun & Min-Ho Park & Su-Hun Jeong & Young-Hoon Kim & Jin-Woo Park & Emad Oveisi & Satyawan Nagane & Adit, 2020. "Proton-transfer-induced 3D/2D hybrid perovskites suppress ion migration and reduce luminance overshoot," Nature Communications, Nature, vol. 11(1), pages 1-13, December.
    • Handle: RePEc:nat:natcom:v:11:y:2020:i:1:d:10.1038_s41467-020-17072-0
    DOI: 10.1038/s41467-020-17072-0
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    Cited by:

    1. Yongjie Liu & Chen Tao & Yu Cao & Liangyan Chen & Shuxin Wang & Pei Li & Cheng Wang & Chenwei Liu & Feihong Ye & Shengyong Hu & Meng Xiao & Zheng Gao & Pengbing Gui & Fang Yao & Kailian Dong & Jiashua, 2022. "Synergistic passivation and stepped-dimensional perovskite analogs enable high-efficiency near-infrared light-emitting diodes," Nature Communications, Nature, vol. 13(1), pages 1-12, December.
    2. Yongyan Pan & Jianan Wang & Zhenxing Sun & Jiaqi Zhang & Zheng Zhou & Chenyang Shi & Sanwan Liu & Fumeng Ren & Rui Chen & Yong Cai & Huande Sun & Bin Liu & Zhongyong Zhang & Zhengjing Zhao & Zihe Cai , 2024. "Surface chemical polishing and passivation minimize non-radiative recombination for all-perovskite tandem solar cells," Nature Communications, Nature, vol. 15(1), pages 1-10, December.
    3. Kang Wang & Zih-Yu Lin & Zihan Zhang & Linrui Jin & Ke Ma & Aidan H. Coffey & Harindi R. Atapattu & Yao Gao & Jee Yung Park & Zitang Wei & Blake P. Finkenauer & Chenhui Zhu & Xiangeng Meng & Sarah N. , 2023. "Suppressing phase disproportionation in quasi-2D perovskite light-emitting diodes," Nature Communications, Nature, vol. 14(1), pages 1-11, December.
    4. Hobeom Kim & So-Min Yoo & Bin Ding & Hiroyuki Kanda & Naoyuki Shibayama & Maria A. Syzgantseva & Farzaneh Fadaei Tirani & Pascal Schouwink & Hyung Joong Yun & Byoungchul Son & Yong Ding & Beom-Soo Kim, 2024. "Shallow-level defect passivation by 6H perovskite polytype for highly efficient and stable perovskite solar cells," Nature Communications, Nature, vol. 15(1), pages 1-11, December.

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