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Flexible and efficient perovskite quantum dot solar cells via hybrid interfacial architecture

Author

Listed:
  • Long Hu

    (University of New South Wales (UNSW)
    Soochow University
    Macquarie University)

  • Qian Zhao

    (Nankai University
    National Renewable Energy Laboratory)

  • Shujuan Huang

    (Macquarie University)

  • Jianghui Zheng

    (University of New South Wales
    University of Sydney Nano Institute, The University of Sydney)

  • Xinwei Guan

    (University of New South Wales (UNSW))

  • Robert Patterson

    (University of New South Wales)

  • Jiyun Kim

    (University of New South Wales (UNSW))

  • Lei Shi

    (University of New South Wales)

  • Chun-Ho Lin

    (University of New South Wales (UNSW))

  • Qi Lei

    (University of New South Wales (UNSW))

  • Dewei Chu

    (University of New South Wales (UNSW))

  • Wan Tao

    (University of New South Wales (UNSW))

  • Soshan Cheong

    (Electron Microscope Unit, Mark Wainwright Analytical Centre, UNSW)

  • Richard D. Tilley

    (Electron Microscope Unit, Mark Wainwright Analytical Centre, UNSW)

  • Anita W. Y. Ho-Baillie

    (University of New South Wales
    University of Sydney Nano Institute, The University of Sydney)

  • Joseph M. Luther

    (National Renewable Energy Laboratory)

  • Jianyu Yuan

    (Soochow University)

  • Tom Wu

    (University of New South Wales (UNSW))

Abstract

All-inorganic CsPbI3 perovskite quantum dots have received substantial research interest for photovoltaic applications because of higher efficiency compared to solar cells using other quantum dots materials and the various exciting properties that perovskites have to offer. These quantum dot devices also exhibit good mechanical stability amongst various thin-film photovoltaic technologies. We demonstrate higher mechanical endurance of quantum dot films compared to bulk thin film and highlight the importance of further research on high-performance and flexible optoelectronic devices using nanoscale grains as an advantage. Specifically, we develop a hybrid interfacial architecture consisting of CsPbI3 quantum dot/PCBM heterojunction, enabling an energy cascade for efficient charge transfer and mechanical adhesion. The champion CsPbI3 quantum dot solar cell has an efficiency of 15.1% (stabilized power output of 14.61%), which is among the highest report to date. Building on this strategy, we further demonstrate a highest efficiency of 12.3% in flexible quantum dot photovoltaics.

Suggested Citation

  • Long Hu & Qian Zhao & Shujuan Huang & Jianghui Zheng & Xinwei Guan & Robert Patterson & Jiyun Kim & Lei Shi & Chun-Ho Lin & Qi Lei & Dewei Chu & Wan Tao & Soshan Cheong & Richard D. Tilley & Anita W. , 2021. "Flexible and efficient perovskite quantum dot solar cells via hybrid interfacial architecture," Nature Communications, Nature, vol. 12(1), pages 1-9, December.
    • Handle: RePEc:nat:natcom:v:12:y:2021:i:1:d:10.1038_s41467-020-20749-1
    DOI: 10.1038/s41467-020-20749-1
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    Cited by:

    1. Lingju Meng & Xihua Wang, 2022. "Doping Colloidal Quantum Dot Materials and Devices for Photovoltaics," Energies, MDPI, vol. 15(7), pages 1-29, March.

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