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Efficient CsPbBr 3 Perovskite Solar Cells with Storage Stability > 340 Days

Author

Listed:
  • Shaochuan Hou

    (School of Science, China University of Geosciences, Beijing 100083, China)

  • Siheng Wu

    (School of Science, China University of Geosciences, Beijing 100083, China)

  • Xiaoyan Li

    (School of Science, China University of Geosciences, Beijing 100083, China)

  • Jiahao Yan

    (School of Science, China University of Geosciences, Beijing 100083, China)

  • Jie Xing

    (School of Science, China University of Geosciences, Beijing 100083, China)

  • Hao Liu

    (School of Science, China University of Geosciences, Beijing 100083, China)

  • Huiying Hao

    (School of Science, China University of Geosciences, Beijing 100083, China)

  • Jingjing Dong

    (School of Science, China University of Geosciences, Beijing 100083, China)

  • Haochong Huang

    (School of Science, China University of Geosciences, Beijing 100083, China)

Abstract

For CsPbBr 3 perovskite materials, it is especially important to reduce interface defects, suppress non-radiative recombination, and improve morphology to achieve highly efficient and stable CsPbBr 3 perovskite solar cells (PSCs). Herein, we reported a facile but highly efficient approach in additive engineering for improving the efficiency and stability of CsPbBr 3 PSCs. It was found that phenethylammonium iodide can passivate interface defects, suppress non-radiative recombination, and increase the grain sizes of CsPbBr 3 films by optimizing crystal quality and interface contact. As a result, a carbon-based CsPbBr 3 PSC with power conversion efficiency > 8.51%, storage stability > 340 days, and excellent harsh stability under high temperature and humidity, has been achieved.

Suggested Citation

  • Shaochuan Hou & Siheng Wu & Xiaoyan Li & Jiahao Yan & Jie Xing & Hao Liu & Huiying Hao & Jingjing Dong & Haochong Huang, 2022. "Efficient CsPbBr 3 Perovskite Solar Cells with Storage Stability > 340 Days," Energies, MDPI, vol. 15(20), pages 1-9, October.
    • Handle: RePEc:gam:jeners:v:15:y:2022:i:20:p:7740-:d:947460
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    References listed on IDEAS

    as
    1. Zhiping Wang & Qianqian Lin & Francis P. Chmiel & Nobuya Sakai & Laura M. Herz & Henry J. Snaith, 2017. "Efficient ambient-air-stable solar cells with 2D–3D heterostructured butylammonium-caesium-formamidinium lead halide perovskites," Nature Energy, Nature, vol. 2(9), pages 1-10, September.
    2. Kang Wang & Zhiwen Jin & Lei Liang & Hui Bian & Dongliang Bai & Haoran Wang & Jingru Zhang & Qian Wang & Shengzhong Liu, 2018. "All-inorganic cesium lead iodide perovskite solar cells with stabilized efficiency beyond 15%," Nature Communications, Nature, vol. 9(1), pages 1-8, December.
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