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Atomic scale insights into structure instability and decomposition pathway of methylammonium lead iodide perovskite

Author

Listed:
  • Shulin Chen

    (Peking University
    Harbin Institute of Technology
    Peking University)

  • Xiaowei Zhang

    (Peking University)

  • Jinjin Zhao

    (Shijiazhuang Tiedao University)

  • Ying Zhang

    (Shijiazhuang Tiedao University)

  • Guoli Kong

    (Shijiazhuang Tiedao University)

  • Qian Li

    (Argonne National Laboratory)

  • Ning Li

    (Peking University
    Peking University)

  • Yue Yu

    (Peking University)

  • Ningan Xu

    (Oxford Instruments Technology (Shanghai) Co. Ltd.)

  • Jingmin Zhang

    (Peking University)

  • Kaihui Liu

    (Peking University
    Collaborative Innovation Center of Quantum Matter)

  • Qing Zhao

    (Peking University
    Collaborative Innovation Center of Quantum Matter)

  • Jian Cao

    (Harbin Institute of Technology)

  • Jicai Feng

    (Harbin Institute of Technology)

  • Xinzheng Li

    (Peking University
    Collaborative Innovation Center of Quantum Matter)

  • Junlei Qi

    (Harbin Institute of Technology)

  • Dapeng Yu

    (Peking University
    Peking University
    Collaborative Innovation Center of Quantum Matter
    South University of Science and Technology of China)

  • Jiangyu Li

    (Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences
    University of Washington)

  • Peng Gao

    (Peking University
    Harbin Institute of Technology
    Peking University
    Collaborative Innovation Center of Quantum Matter)

Abstract

Organic–inorganic hybrid perovskites are promising candidates for the next-generation solar cells. Many efforts have been made to study their structures in the search for a better mechanistic understanding to guide the materials optimization. Here, we investigate the structure instability of the single-crystalline CH3NH3PbI3 (MAPbI3) film by using transmission electron microscopy. We find that MAPbI3 is very sensitive to the electron beam illumination and rapidly decomposes into the hexagonal PbI2. We propose a decomposition pathway, initiated with the loss of iodine ions, resulting in eventual collapse of perovskite structure and its decomposition into PbI2. These findings impose important question on the interpretation of experimental data based on electron diffraction and highlight the need to circumvent material decomposition in future electron microscopy studies. The structural evolution during decomposition process also sheds light on the structure instability of organic–inorganic hybrid perovskites in solar cell applications.

Suggested Citation

  • Shulin Chen & Xiaowei Zhang & Jinjin Zhao & Ying Zhang & Guoli Kong & Qian Li & Ning Li & Yue Yu & Ningan Xu & Jingmin Zhang & Kaihui Liu & Qing Zhao & Jian Cao & Jicai Feng & Xinzheng Li & Junlei Qi , 2018. "Atomic scale insights into structure instability and decomposition pathway of methylammonium lead iodide perovskite," Nature Communications, Nature, vol. 9(1), pages 1-8, December.
  • Handle: RePEc:nat:natcom:v:9:y:2018:i:1:d:10.1038_s41467-018-07177-y
    DOI: 10.1038/s41467-018-07177-y
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    Cited by:

    1. Yao Wang & Chen Huang & Ziwei Cheng & Zhenghao Liu & Yuan Zhang & Yantao Zheng & Shulin Chen & Jie Wang & Peng Gao & Yang Shen & Chungang Duan & Yuan Deng & Ce-Wen Nan & Jiangyu Li, 2024. "Halide Perovskite Inducing Anomalous Nonvolatile Polarization in Poly(vinylidene fluoride)-based Flexible Nanocomposites," Nature Communications, Nature, vol. 15(1), pages 1-9, December.
    2. Weilun Li & Mengmeng Hao & Ardeshir Baktash & Lianzhou Wang & Joanne Etheridge, 2023. "The role of ion migration, octahedral tilt, and the A-site cation on the instability of Cs1-xFAxPbI3," Nature Communications, Nature, vol. 14(1), pages 1-11, December.
    3. Mengmeng Ma & Xuliang Zhang & Xiao Chen & Hao Xiong & Liang Xu & Tao Cheng & Jianyu Yuan & Fei Wei & Boyuan Shen, 2023. "In situ imaging of the atomic phase transition dynamics in metal halide perovskites," Nature Communications, Nature, vol. 14(1), pages 1-9, December.
    4. Songhua Cai & Zhipeng Li & Yalan Zhang & Tanghao Liu & Peng Wang & Ming-Gang Ju & Shuping Pang & Shu Ping Lau & Xiao Cheng Zeng & Yuanyuan Zhou, 2024. "Intragrain impurity annihilation for highly efficient and stable perovskite solar cells," Nature Communications, Nature, vol. 15(1), pages 1-10, December.

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