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Wide-gap non-fullerene acceptor enabling high-performance organic photovoltaic cells for indoor applications

Author

Listed:
  • Yong Cui

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

  • Yuming Wang

    (Linköping University)

  • Jonas Bergqvist

    (Linköping University)

  • Huifeng Yao

    (Chinese Academy of Sciences)

  • Ye Xu

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

  • Bowei Gao

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

  • Chenyi Yang

    (University of Science and Technology Beijing)

  • Shaoqing Zhang

    (University of Science and Technology Beijing)

  • Olle Inganäs

    (Linköping University)

  • Feng Gao

    (Linköping University)

  • Jianhui Hou

    (Chinese Academy of Sciences
    University of Chinese Academy of Sciences
    University of Science and Technology Beijing)

Abstract

Organic photovoltaic cells are potential candidates to drive low power consumption off-grid electronics for indoor applications. However, their power conversion efficiency is still limited by relatively large losses in the open-circuit voltage and a non-optimal absorption spectrum for indoor illumination. Here, we carefully designed a non-fullerene acceptor named IO-4Cl and blend it with a polymer donor named PBDB-TF to obtain a photoactive layer whose absorption spectrum matches that of indoor light sources. The photovoltaic characterizations reveal a low energy loss below 0.60 eV. As a result, the organic photovoltaic cell (1 cm2) shows a power conversion efficiency of 26.1% with an open-circuit voltage of 1.10 V under a light-emitting diode illumination of 1,000 lux (2,700 K). We also fabricated a large-area cell (4 cm2) through the blade-coating method. Our cell shows an excellent stability, maintaining its initial photovoltaic performance under continuous illumination of the indoor light source for 1,000 hours.

Suggested Citation

  • Yong Cui & Yuming Wang & Jonas Bergqvist & Huifeng Yao & Ye Xu & Bowei Gao & Chenyi Yang & Shaoqing Zhang & Olle Inganäs & Feng Gao & Jianhui Hou, 2019. "Wide-gap non-fullerene acceptor enabling high-performance organic photovoltaic cells for indoor applications," Nature Energy, Nature, vol. 4(9), pages 768-775, September.
    • Handle: RePEc:nat:natene:v:4:y:2019:i:9:d:10.1038_s41560-019-0448-5
    DOI: 10.1038/s41560-019-0448-5
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    Cited by:

    1. Yafei Wang & Zhong Zheng & Jianqiu Wang & Pengqing Bi & Zhihao Chen & Junzhen Ren & Cunbin An & Shaoqing Zhang & Jianhui Hou, 2023. "Organic laser power converter for efficient wireless micro power transfer," Nature Communications, Nature, vol. 14(1), pages 1-8, December.
    2. Jie Ye & Chao Wang & Chao Gao & Tao Fu & Chaohui Yang & Guoping Ren & Jian Lü & Shungui Zhou & Yujie Xiong, 2022. "Solar-driven methanogenesis with ultrahigh selectivity by turning down H2 production at biotic-abiotic interface," Nature Communications, Nature, vol. 13(1), pages 1-11, December.

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