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Double-side 2D/3D heterojunctions for inverted perovskite solar cells

Author

Listed:
  • Randi Azmi

    (King Abdullah University of Science and Technology (KAUST), KAUST Solar Center (KSC), Physical Sciences and Engineering Division (PSE), Material Science and Engineering Program (MSE))

  • Drajad Satrio Utomo

    (King Abdullah University of Science and Technology (KAUST), KAUST Solar Center (KSC), Physical Sciences and Engineering Division (PSE), Material Science and Engineering Program (MSE))

  • Badri Vishal

    (King Abdullah University of Science and Technology (KAUST), KAUST Solar Center (KSC), Physical Sciences and Engineering Division (PSE), Material Science and Engineering Program (MSE))

  • Shynggys Zhumagali

    (King Abdullah University of Science and Technology (KAUST), KAUST Solar Center (KSC), Physical Sciences and Engineering Division (PSE), Material Science and Engineering Program (MSE))

  • Pia Dally

    (King Abdullah University of Science and Technology (KAUST), KAUST Solar Center (KSC), Physical Sciences and Engineering Division (PSE), Material Science and Engineering Program (MSE))

  • Andi Muhammad Risqi

    (Ulsan National Institute of Science and Technology (UNIST))

  • Adi Prasetio

    (King Abdullah University of Science and Technology (KAUST), KAUST Solar Center (KSC), Physical Sciences and Engineering Division (PSE), Material Science and Engineering Program (MSE))

  • Esma Ugur

    (King Abdullah University of Science and Technology (KAUST), KAUST Solar Center (KSC), Physical Sciences and Engineering Division (PSE), Material Science and Engineering Program (MSE))

  • Fangfang Cao

    (Chinese Academy of Sciences)

  • Imil Fadli Imran

    (King Abdullah University of Science and Technology (KAUST), KAUST Solar Center (KSC), Physical Sciences and Engineering Division (PSE), Material Science and Engineering Program (MSE))

  • Ahmed Ali Said

    (King Abdullah University of Science and Technology (KAUST), KAUST Solar Center (KSC), Physical Sciences and Engineering Division (PSE), Material Science and Engineering Program (MSE))

  • Anil Reddy Pininti

    (King Abdullah University of Science and Technology (KAUST), KAUST Solar Center (KSC), Physical Sciences and Engineering Division (PSE), Material Science and Engineering Program (MSE))

  • Anand Selvin Subbiah

    (King Abdullah University of Science and Technology (KAUST), KAUST Solar Center (KSC), Physical Sciences and Engineering Division (PSE), Material Science and Engineering Program (MSE))

  • Erkan Aydin

    (King Abdullah University of Science and Technology (KAUST), KAUST Solar Center (KSC), Physical Sciences and Engineering Division (PSE), Material Science and Engineering Program (MSE))

  • Chuanxiao Xiao

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

  • Sang Il Seok

    (Ulsan National Institute of Science and Technology (UNIST))

  • Stefaan De Wolf

    (King Abdullah University of Science and Technology (KAUST), KAUST Solar Center (KSC), Physical Sciences and Engineering Division (PSE), Material Science and Engineering Program (MSE))

Abstract

Defects at the top and bottom interfaces of three-dimensional (3D) perovskite photoabsorbers diminish the performance and operational stability of perovskite solar cells owing to charge recombination, ion migration and electric-field inhomogeneities1–5. Here we demonstrate that long alkyl amine ligands can generate near-phase-pure 2D perovskites at the top and bottom 3D perovskite interfaces and effectively resolve these issues. At the rear-contact side, we find that the alkyl amine ligand strengthens the interactions with the substrate through acid–base reactions with the phosphonic acid group from the organic hole-transporting self-assembled monolayer molecule, thus regulating the 2D perovskite formation. With this, inverted perovskite solar cells with double-side 2D/3D heterojunctions achieved a power conversion efficiency of 25.6% (certified 25.0%), retaining 95% of their initial power conversion efficiency after 1,000 h of 1-sun illumination at 85 °C in air.

Suggested Citation

  • Randi Azmi & Drajad Satrio Utomo & Badri Vishal & Shynggys Zhumagali & Pia Dally & Andi Muhammad Risqi & Adi Prasetio & Esma Ugur & Fangfang Cao & Imil Fadli Imran & Ahmed Ali Said & Anil Reddy Pinint, 2024. "Double-side 2D/3D heterojunctions for inverted perovskite solar cells," Nature, Nature, vol. 628(8006), pages 93-98, April.
    • Handle: RePEc:nat:nature:v:628:y:2024:i:8006:d:10.1038_s41586-024-07189-3
    DOI: 10.1038/s41586-024-07189-3
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