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Oriented nucleation in formamidinium perovskite for photovoltaics

Author

Listed:
  • Pengju Shi

    (Zhejiang University
    Westlake University)

  • Yong Ding

    (École Polytechnique Fédérale de Lausanne, EPFL VALAIS
    North China Electric Power University)

  • Bin Ding

    (École Polytechnique Fédérale de Lausanne, EPFL VALAIS)

  • Qiyu Xing

    (University of California Los Angeles)

  • Tim Kodalle

    (Lawrence Berkeley National Laboratory)

  • Carolin M. Sutter-Fella

    (Lawrence Berkeley National Laboratory)

  • Ilhan Yavuz

    (Marmara University)

  • Canglang Yao

    (Fudan University)

  • Wei Fan

    (Zhejiang University
    Westlake University)

  • Jiazhe Xu

    (Westlake University)

  • Yuan Tian

    (Zhejiang University
    Westlake University)

  • Danyu Gu

    (Westlake University)

  • Ke Zhao

    (Zhejiang University
    Westlake University)

  • Shaun Tan

    (University of California Los Angeles)

  • Xu Zhang

    (Westlake University)

  • Libing Yao

    (Westlake University)

  • Paul J. Dyson

    (École Polytechnique Fédérale de Lausanne, EPFL VALAIS)

  • Jonathan L. Slack

    (Lawrence Berkeley National Laboratory)

  • Deren Yang

    (Zhejiang University)

  • Jingjing Xue

    (Zhejiang University)

  • Mohammad Khaja Nazeeruddin

    (École Polytechnique Fédérale de Lausanne, EPFL VALAIS)

  • Yang Yang

    (University of California Los Angeles)

  • Rui Wang

    (Westlake University
    Westlake University
    Zhejiang Baima Lake Laboratory Co., Ltd)

Abstract

The black phase of formamidinium lead iodide (FAPbI3) perovskite shows huge promise as an efficient photovoltaic, but it is not favoured energetically at room temperature, meaning that the undesirable yellow phases are always present alongside it during crystallization1–4. This problem has made it difficult to formulate the fast crystallization process of perovskite and develop guidelines governing the formation of black-phase FAPbI3 (refs. 5,6). Here we use in situ monitoring of the perovskite crystallization process to report an oriented nucleation mechanism that can help to avoid the presence of undesirable phases and improve the performance of photovoltaic devices in different film-processing scenarios. The resulting device has a demonstrated power-conversion efficiency of 25.4% (certified 25.0%) and the module, which has an area of 27.83 cm2, has achieved an impressive certified aperture efficiency of 21.4%.

Suggested Citation

  • Pengju Shi & Yong Ding & Bin Ding & Qiyu Xing & Tim Kodalle & Carolin M. Sutter-Fella & Ilhan Yavuz & Canglang Yao & Wei Fan & Jiazhe Xu & Yuan Tian & Danyu Gu & Ke Zhao & Shaun Tan & Xu Zhang & Libin, 2023. "Oriented nucleation in formamidinium perovskite for photovoltaics," Nature, Nature, vol. 620(7973), pages 323-327, August.
    • Handle: RePEc:nat:nature:v:620:y:2023:i:7973:d:10.1038_s41586-023-06208-z
    DOI: 10.1038/s41586-023-06208-z
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    Cited by:

    1. Haitao Zhou & Kai Cai & Shiqi Yu & Zhenhan Wang & Zhuang Xiong & Zema Chu & Xinbo Chu & Qi Jiang & Jingbi You, 2024. "Efficient and stable perovskite mini-module via high-quality homogeneous perovskite crystallization and improved interconnect," Nature Communications, Nature, vol. 15(1), pages 1-7, December.

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