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Enhancing the efficiency and longevity of inverted perovskite solar cells with antimony-doped tin oxides

Author

Listed:
  • Jia Li

    (National University of Singapore
    National University of Singapore)

  • Haoming Liang

    (National University of Singapore
    National University of Singapore)

  • Chuanxiao Xiao

    (Chinese Academy of Sciences
    Ningbo New Materials Testing and Evaluation Center Co.)

  • Xiangkun Jia

    (National University of Singapore
    National University of Singapore)

  • Renjun Guo

    (National University of Singapore
    National University of Singapore)

  • Jinxi Chen

    (National University of Singapore
    National University of Singapore)

  • Xiao Guo

    (National University of Singapore
    National University of Singapore)

  • Ran Luo

    (National University of Singapore
    National University of Singapore)

  • Xi Wang

    (National University of Singapore
    National University of Singapore)

  • Minghui Li

    (Chinese Academy of Sciences)

  • Michael Rossier

    (Avantama AG)

  • Alina Hauser

    (Avantama AG)

  • Flavio Linardi

    (Avantama AG)

  • Ezra Alvianto

    (National University of Singapore
    National University of Singapore)

  • Shunchang Liu

    (National University of Singapore
    National University of Singapore)

  • Jiangang Feng

    (National University of Singapore
    National University of Singapore)

  • Yi Hou

    (National University of Singapore
    National University of Singapore)

Abstract

Inverted perovskite solar cells possess great potential for single or multi-junction photovoltaics. However, energy and charge losses at the interfaces limit their performance. Here we introduce p-type antimony-doped tin oxides (ATOx) combined with a self-assembled monolayer molecule as an interlayer between the perovskite and hole-transporting layers (HTL) in inverted solar cells. ATOx increases the chemical stability of the interface; we show that the redox reaction that commonly took place at the NiOx/perovskite interface is negligible at the ATOx/perovskite interface. We demonstrate that ATOx suppresses non-radiative recombination in the perovskite layer and enhances the depletion at the perovskite/HTL interface for efficient charge extraction. Owing to these combined improvements, we achieve inverted perovskite solar cells with a maximum efficiency of 25.7% (certified steady-state efficiency of 24.8%) for an area of 0.05 cm2, retained under maximum power point tracking over 500 h and 24.6% (certified steady-state efficiency of 24.0%) for an area of 1 cm2.

Suggested Citation

  • Jia Li & Haoming Liang & Chuanxiao Xiao & Xiangkun Jia & Renjun Guo & Jinxi Chen & Xiao Guo & Ran Luo & Xi Wang & Minghui Li & Michael Rossier & Alina Hauser & Flavio Linardi & Ezra Alvianto & Shuncha, 2024. "Enhancing the efficiency and longevity of inverted perovskite solar cells with antimony-doped tin oxides," Nature Energy, Nature, vol. 9(3), pages 308-315, March.
    • Handle: RePEc:nat:natene:v:9:y:2024:i:3:d:10.1038_s41560-023-01442-1
    DOI: 10.1038/s41560-023-01442-1
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