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Gas-solid reaction based over one-micrometer thick stable perovskite films for efficient solar cells and modules

Author

Listed:
  • Zonghao Liu

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

  • Longbin Qiu

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

  • Emilio J. Juarez-Perez

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

  • Zafer Hawash

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

  • Taehoon Kim

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

  • Yan Jiang

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

  • Zhifang Wu

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

  • Sonia R. Raga

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

  • Luis K. Ono

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

  • Shengzhong (Frank) Liu

    (Shaanxi Normal University
    Chinese Academy of Sciences)

  • Yabing Qi

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

Abstract

Besides high efficiency, the stability and reproducibility of perovskite solar cells (PSCs) are also key for their commercialization. Herein, we report a simple perovskite formation method to fabricate perovskite films with thickness over 1 μm in ambient condition on the basis of the fast gas−solid reaction of chlorine-incorporated hydrogen lead triiodide and methylamine gas. The resultant thick and smooth chlorine-incorporated perovskite films exhibit full coverage, improved crystallinity, low surface roughness and low thickness variation. The resultant PSCs achieve an average power conversion efficiency of 19.1 ± 0.4% with good reproducibility. Meanwhile, this method enables an active area efficiency of 15.3% for 5 cm × 5 cm solar modules. The un-encapsulated PSCs exhibit an excellent T80 lifetime exceeding 1600 h under continuous operation conditions in dry nitrogen environment.

Suggested Citation

  • Zonghao Liu & Longbin Qiu & Emilio J. Juarez-Perez & Zafer Hawash & Taehoon Kim & Yan Jiang & Zhifang Wu & Sonia R. Raga & Luis K. Ono & Shengzhong (Frank) Liu & Yabing Qi, 2018. "Gas-solid reaction based over one-micrometer thick stable perovskite films for efficient solar cells and modules," Nature Communications, Nature, vol. 9(1), pages 1-11, December.
    • Handle: RePEc:nat:natcom:v:9:y:2018:i:1:d:10.1038_s41467-018-06317-8
    DOI: 10.1038/s41467-018-06317-8
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