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Lifetime over 10000 hours for organic solar cells with Ir/IrOx electron-transporting layer

Author

Listed:
  • Yanxun Li

    (National Center for Nanoscience and Technology
    University of Chinese Academy of Sciences)

  • Bo Huang

    (National Center for Nanoscience and Technology
    University of Chinese Academy of Sciences)

  • Xuning Zhang

    (Beihang University)

  • Jianwei Ding

    (National Center for Nanoscience and Technology)

  • Yingyu Zhang

    (National Center for Nanoscience and Technology
    University of Chinese Academy of Sciences)

  • Linge Xiao

    (National Center for Nanoscience and Technology
    University of Chinese Academy of Sciences)

  • Boxin Wang

    (National Center for Nanoscience and Technology
    University of Chinese Academy of Sciences)

  • Qian Cheng

    (National Center for Nanoscience and Technology
    University of Chinese Academy of Sciences)

  • Gaosheng Huang

    (National Center for Nanoscience and Technology
    University of Chinese Academy of Sciences)

  • Hong Zhang

    (National Center for Nanoscience and Technology)

  • Yingguo Yang

    (Shanghai Advanced Research Institute, Chinese Academy of Sciences)

  • Xiaoying Qi

    (National Center for Nanoscience and Technology)

  • Qiang Zheng

    (National Center for Nanoscience and Technology)

  • Yuan Zhang

    (Beihang University)

  • Xiaohui Qiu

    (National Center for Nanoscience and Technology)

  • Minghui Liang

    (National Center for Nanoscience and Technology)

  • Huiqiong Zhou

    (National Center for Nanoscience and Technology
    University of Chinese Academy of Sciences)

Abstract

The stability of organic solar cells is a key issue to promote practical applications. Herein, we demonstrate that the device performance of organic solar cells is enhanced by an Ir/IrOx electron-transporting layer, benefiting from its suitable work function and heterogeneous distribution of surface energy in nanoscale. Notably, the champion Ir/IrOx-based devices exhibit superior stabilities under shelf storing (T80 = 56696 h), thermal aging (T70 = 13920 h), and maximum power point tracking (T80 = 1058 h), compared to the ZnO-based devices. It can be attributed to the stable morphology of photoactive layer resulting from the optimized molecular distribution of the donor and acceptor and the absence of photocatalysis in the Ir/IrOx-based devices, which helps to maintain the improved charge extraction and inhibited charge recombination in the aged devices. This work provides a reliable and efficient electron-transporting material toward stable organic solar cells.

Suggested Citation

  • Yanxun Li & Bo Huang & Xuning Zhang & Jianwei Ding & Yingyu Zhang & Linge Xiao & Boxin Wang & Qian Cheng & Gaosheng Huang & Hong Zhang & Yingguo Yang & Xiaoying Qi & Qiang Zheng & Yuan Zhang & Xiaohui, 2023. "Lifetime over 10000 hours for organic solar cells with Ir/IrOx electron-transporting layer," Nature Communications, Nature, vol. 14(1), pages 1-10, December.
  • Handle: RePEc:nat:natcom:v:14:y:2023:i:1:d:10.1038_s41467-023-36937-8
    DOI: 10.1038/s41467-023-36937-8
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    References listed on IDEAS

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