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Modulating crystal growth of formamidinium–caesium perovskites for over 200 cm2 photovoltaic sub-modules

Author

Listed:
  • Tongle Bu

    (Okinawa Institute of Science and Technology Graduate University (OIST)
    Wuhan University of Technology)

  • Luis K. Ono

    (Okinawa Institute of Science and Technology Graduate University (OIST))

  • Jing Li

    (Wuhan University of Technology)

  • Jie Su

    (Xidian University, School of Microelectronics, State Key Discipline Lab of Wide Band Gap Semiconductor Technology, Shaanxi Joint Key Lab of Graphene, Advanced Interdisciplinary Research Center for Flexible Electronics)

  • Guoqing Tong

    (Okinawa Institute of Science and Technology Graduate University (OIST))

  • Wei Zhang

    (Okinawa Institute of Science and Technology Graduate University (OIST))

  • Yuqiang Liu

    (Okinawa Institute of Science and Technology Graduate University (OIST)
    State Key Laboratory of Bio-fibers and Eco-textiles, Qingdao University)

  • Jiahao Zhang

    (Okinawa Institute of Science and Technology Graduate University (OIST))

  • Jingjing Chang

    (Xidian University, School of Microelectronics, State Key Discipline Lab of Wide Band Gap Semiconductor Technology, Shaanxi Joint Key Lab of Graphene, Advanced Interdisciplinary Research Center for Flexible Electronics)

  • Said Kazaoui

    (National Institute of Advanced Industrial Science and Technology (AIST))

  • Fuzhi Huang

    (Wuhan University of Technology)

  • Yi-Bing Cheng

    (Wuhan University of Technology
    Xianhu Laboratory of the Advanced Energy Science and Technology Guangdong Laboratory)

  • Yabing Qi

    (Okinawa Institute of Science and Technology Graduate University (OIST))

Abstract

Upscalable fabrication of efficient and stable perovskite solar modules is urgently needed for commercialization. Here we introduce methylammonium chloride additives in the co-solvent system of N-methyl-2-pyrrolidone/N,N-dimethylformamide to control the formation of intermediate phases during the growth of formamidinium–caesium lead triiodide perovskite films. We achieve high-quality films upon drying without the use of anti-solvent. By implementing bulk and surface passivation, champion efficiencies of 24.02% for a small-sized solar cell and 20.5% for a 5 cm × 5 cm solar mini-module on an aperture area of 22.4 cm2 (geometric fill factor ∼ 96%) are achieved by spin-coating. The fully blade-coated perovskite solar sub-module demonstrates a champion efficiency of 15.3% on an aperture area of 205 cm2. The solar mini-module exhibits impressive operational stability with a T80 lifetime of over 1,000 h at maximum power point tracking under continuous light illumination.

Suggested Citation

  • Tongle Bu & Luis K. Ono & Jing Li & Jie Su & Guoqing Tong & Wei Zhang & Yuqiang Liu & Jiahao Zhang & Jingjing Chang & Said Kazaoui & Fuzhi Huang & Yi-Bing Cheng & Yabing Qi, 2022. "Modulating crystal growth of formamidinium–caesium perovskites for over 200 cm2 photovoltaic sub-modules," Nature Energy, Nature, vol. 7(6), pages 528-536, June.
    • Handle: RePEc:nat:natene:v:7:y:2022:i:6:d:10.1038_s41560-022-01039-0
    DOI: 10.1038/s41560-022-01039-0
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    Cited by:

    1. Md Aslam Uddin & Prem Jyoti Singh Rana & Zhenyi Ni & Guang Yang & Mingze Li & Mengru Wang & Hangyu Gu & Hengkai Zhang & Benjia Dak Dou & Jinsong Huang, 2024. "Iodide manipulation using zinc additives for efficient perovskite solar minimodules," Nature Communications, Nature, vol. 15(1), pages 1-9, December.

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