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In-situ cross-linking strategy for efficient and operationally stable methylammoniun lead iodide solar cells

Author

Listed:
  • Xiaodong Li

    (Chinese Academy of Sciences)

  • Wenxiao Zhang

    (Chinese Academy of Sciences
    University of Chinese Academy of Sciences)

  • Ying-Chiao Wang

    (Chinese Academy of Sciences)

  • Wenjun Zhang

    (Chinese Academy of Sciences
    University of Chinese Academy of Sciences)

  • Hai-Qiao Wang

    (Chinese Academy of Sciences
    University of Chinese Academy of Sciences)

  • Junfeng Fang

    (Chinese Academy of Sciences
    University of Chinese Academy of Sciences)

Abstract

Long-term operational stability is the foremost issue delaying the commercialization of perovskite solar cells (PSCs). Here we demonstrate an in-situ cross-linking strategy for operationally stable inverted MAPbI3 PSCs through the incorporation of a cross-linkable organic small molecule additive trimethylolpropane triacrylate (TMTA) into perovskite films. TMTA can chemically anchor to grain boundaries and then in-situ cross-link to a robust continuous network polymer after thermal treatment, thus enhancing the thermal, water-resisting and light-resisting properties of organic/perovskite films. As a result, the cross-linked PSCs exhibit 590-fold improvement in operational stability, retaining nearly 80% of their initial efficiency after continuous power output for 400 h at maximum power point under full-sun AM 1.5 G illumination of Xenon lamp without any UV-filter. In addition, under moisture or thermal (85 °C) conditions, cross-linked TMTA-based PSCs also show excellent stability with over 90% of their initial or post burn-in efficiency after aging for over 1000 h.

Suggested Citation

  • Xiaodong Li & Wenxiao Zhang & Ying-Chiao Wang & Wenjun Zhang & Hai-Qiao Wang & Junfeng Fang, 2018. "In-situ cross-linking strategy for efficient and operationally stable methylammoniun lead iodide solar cells," Nature Communications, Nature, vol. 9(1), pages 1-10, December.
    • Handle: RePEc:nat:natcom:v:9:y:2018:i:1:d:10.1038_s41467-018-06204-2
    DOI: 10.1038/s41467-018-06204-2
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    Cited by:

    1. Xinlong Wang & Zhiqin Ying & Jingming Zheng & Xin Li & Zhipeng Zhang & Chuanxiao Xiao & Ying Chen & Ming Wu & Zhenhai Yang & Jingsong Sun & Jia-Ru Xu & Jiang Sheng & Yuheng Zeng & Xi Yang & Guichuan X, 2023. "Long-chain anionic surfactants enabling stable perovskite/silicon tandems with greatly suppressed stress corrosion," Nature Communications, Nature, vol. 14(1), pages 1-11, December.
    2. Xiang, Huimin & Liu, Pengyun & Ran, Ran & Wang, Wei & Zhou, Wei & Shao, Zongping, 2022. "Two-dimensional Dion-Jacobson halide perovskites as new-generation light absorbers for perovskite solar cells," Renewable and Sustainable Energy Reviews, Elsevier, vol. 166(C).
    3. Fangfang Wang & Mubai Li & Qiushuang Tian & Riming Sun & Hongzhuang Ma & Hongze Wang & Jingxi Chang & Zihao Li & Haoyu Chen & Jiupeng Cao & Aifei Wang & Jingjin Dong & You Liu & Jinzheng Zhao & Ying C, 2023. "Monolithically-grained perovskite solar cell with Mortise-Tenon structure for charge extraction balance," Nature Communications, Nature, vol. 14(1), pages 1-10, December.
    4. Mubai Li & Riming Sun & Jingxi Chang & Jingjin Dong & Qiushuang Tian & Hongze Wang & Zihao Li & Pinghui Yang & Haokun Shi & Chao Yang & Zichao Wu & Renzhi Li & Yingguo Yang & Aifei Wang & Shitong Zhan, 2023. "Orientated crystallization of FA-based perovskite via hydrogen-bonded polymer network for efficient and stable solar cells," Nature Communications, Nature, vol. 14(1), pages 1-11, December.

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