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Buried interface molecular hybrid for inverted perovskite solar cells

Author

Listed:
  • Sanwan Liu

    (Huazhong University of Science and Technology (HUST)
    Optics Valley Laboratory)

  • Jingbai Li

    (Shenzhen Polytechnic University)

  • Wenshan Xiao

    (Wuhan University of Technology)

  • Rui Chen

    (Huazhong University of Science and Technology (HUST))

  • Zhenxing Sun

    (Huazhong University of Science and Technology (HUST))

  • Yong Zhang

    (Southern University of Science and Technology)

  • Xia Lei

    (Shenzhen Polytechnic University
    Southern University of Science and Technology)

  • Shuaifeng Hu

    (University of Oxford)

  • Manuel Kober-Czerny

    (University of Oxford)

  • Jianan Wang

    (Huazhong University of Science and Technology (HUST))

  • Fumeng Ren

    (Huazhong University of Science and Technology (HUST))

  • Qisen Zhou

    (Huazhong University of Science and Technology (HUST))

  • Hasan Raza

    (Huazhong University of Science and Technology (HUST))

  • You Gao

    (Huazhong University of Science and Technology (HUST))

  • Yitong Ji

    (Wuhan University of Technology)

  • Sibo Li

    (Southern University of Science and Technology)

  • Huan Li

    (Southern University of Science and Technology)

  • Longbin Qiu

    (Southern University of Science and Technology)

  • Wenchao Huang

    (Wuhan University of Technology
    Wuhan University of Technology Xiangyang Demonstration Zone)

  • Yan Zhao

    (Sichuan University
    Wuhan University)

  • Baomin Xu

    (Southern University of Science and Technology)

  • Zonghao Liu

    (Huazhong University of Science and Technology (HUST)
    Optics Valley Laboratory)

  • Henry J. Snaith

    (University of Oxford)

  • Nam-Gyu Park

    (Sungkyunkwan University (SKKU)
    Sungkyunkwan University)

  • Wei Chen

    (Huazhong University of Science and Technology (HUST)
    Optics Valley Laboratory)

Abstract

Perovskite solar cells with an inverted architecture provide a key pathway for commercializing this emerging photovoltaic technology because of the better power conversion efficiency and operational stability compared with the normal device structure. Specifically, power conversion efficiencies of the inverted perovskite solar cells have exceeded 25% owing to the development of improved self-assembled molecules1–5 and passivation strategies6–8. However, poor wettability and agglomeration of self-assembled molecules9–12 cause interfacial losses, impeding further improvement in the power conversion efficiency and stability. Here we report a molecular hybrid at the buried interface in inverted perovskite solar cells that co-assembled the popular self-assembled molecule [4-(3,6-dimethyl-9H-carbazol-9-yl)butyl]phosphonic acid (Me-4PACz) with the multiple aromatic carboxylic acid 4,4′,4″-nitrilotribenzoic acid (NA) to improve the heterojunction interface. The molecular hybrid of Me-4PACz with NA could substantially improve the interfacial characteristics. The resulting inverted perovskite solar cells demonstrated a record certified steady-state efficiency of 26.54%. Crucially, this strategy aligns seamlessly with large-scale manufacturing, achieving one of the highest certified power conversion efficiencies for inverted mini-modules at 22.74% (aperture area 11.1 cm2). Our device also maintained 96.1% of its initial power conversion efficiency after more than 2,400 h of 1-sun operation in ambient air.

Suggested Citation

  • Sanwan Liu & Jingbai Li & Wenshan Xiao & Rui Chen & Zhenxing Sun & Yong Zhang & Xia Lei & Shuaifeng Hu & Manuel Kober-Czerny & Jianan Wang & Fumeng Ren & Qisen Zhou & Hasan Raza & You Gao & Yitong Ji , 2024. "Buried interface molecular hybrid for inverted perovskite solar cells," Nature, Nature, vol. 632(8025), pages 536-542, August.
    • Handle: RePEc:nat:nature:v:632:y:2024:i:8025:d:10.1038_s41586-024-07723-3
    DOI: 10.1038/s41586-024-07723-3
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    Citations

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    Cited by:

    1. Geping Qu & Letian Zhang & Ying Qiao & Shaokuan Gong & Yuanjia Ding & Yuli Tao & Siyuan Cai & Xiao-Yong Chang & Qian Chen & Pengfei Xie & Junyuan Feng & Changqin Gao & Guopeng Li & Hui Xiao & Fei Wang, 2025. "Self-assembled materials with an ordered hydrophilic bilayer for high performance inverted Perovskite solar cells," Nature Communications, Nature, vol. 16(1), pages 1-12, December.
    2. Junzhi Ye & Navendu Mondal & Ben P. Carwithen & Yunwei Zhang & Linjie Dai & Xiang-Bing Fan & Jian Mao & Zhiqiang Cui & Pratyush Ghosh & Clara Otero‐Martínez & Lars Turnhout & Yi-Teng Huang & Zhongzhen, 2024. "Extending the defect tolerance of halide perovskite nanocrystals to hot carrier cooling dynamics," Nature Communications, Nature, vol. 15(1), pages 1-11, December.
    3. Rui Wang & Xiaoyu Liu & Shan Yan & Ni Meng & Xinmin Zhao & Yu Chen & Hongxiang Li & Saif M. H. Qaid & Shaopeng Yang & Mingjian Yuan & Tingwei He, 2024. "Efficient wide-bandgap perovskite photovoltaics with homogeneous halogen-phase distribution," Nature Communications, Nature, vol. 15(1), pages 1-11, December.
    4. Yuxin Yao & Biao Li & Degong Ding & Chenxia Kan & Pengjie Hang & Daoyong Zhang & Zechen Hu & Zhenyi Ni & Xuegong Yu & Deren Yang, 2025. "Oriented wide-bandgap perovskites for monolithic silicon-based tandems with over 1000 hours operational stability," Nature Communications, Nature, vol. 16(1), pages 1-12, December.
    5. Jingwei Zhu & Xiaozhen Huang & Yi Luo & Wenbo Jiao & Yuliang Xu & Juncheng Wang & Zhiyu Gao & Kun Wei & Tianshu Ma & Jiayu You & Jialun Jin & Shenghan Wu & Zhihao Zhang & Wenqing Liang & Yang Wang & S, 2025. "Self-assembled hole-selective contact for efficient Sn-Pb perovskite solar cells and all-perovskite tandems," Nature Communications, Nature, vol. 16(1), pages 1-11, December.

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