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Managing grains and interfaces via ligand anchoring enables 22.3%-efficiency inverted perovskite solar cells

Author

Listed:
  • Xiaopeng Zheng

    (King Abdullah University of Science and Technology (KAUST))

  • Yi Hou

    (University of Toronto)

  • Chunxiong Bao

    (Linköping University)

  • Jun Yin

    (King Abdullah University of Science and Technology (KAUST))

  • Fanglong Yuan

    (University of Toronto
    University of Toronto)

  • Ziru Huang

    (University of Toronto)

  • Kepeng Song

    (King Abdullah University of Science and Technology (KAUST))

  • Jiakai Liu

    (King Abdullah University of Science and Technology (KAUST))

  • Joel Troughton

    (King Abdullah University of Science and Technology (KAUST))

  • Nicola Gasparini

    (King Abdullah University of Science and Technology (KAUST))

  • Chun Zhou

    (University of Toronto)

  • Yuanbao Lin

    (King Abdullah University of Science and Technology (KAUST))

  • Ding-Jiang Xue

    (University of Toronto)

  • Bin Chen

    (University of Toronto)

  • Andrew K. Johnston

    (University of Toronto)

  • Nini Wei

    (King Abdullah University of Science and Technology (KAUST))

  • Mohamed Nejib Hedhili

    (King Abdullah University of Science and Technology (KAUST))

  • Mingyang Wei

    (University of Toronto)

  • Abdullah Y. Alsalloum

    (King Abdullah University of Science and Technology (KAUST))

  • Partha Maity

    (King Abdullah University of Science and Technology (KAUST))

  • Bekir Turedi

    (King Abdullah University of Science and Technology (KAUST))

  • Chen Yang

    (King Abdullah University of Science and Technology (KAUST))

  • Derya Baran

    (King Abdullah University of Science and Technology (KAUST))

  • Thomas D. Anthopoulos

    (King Abdullah University of Science and Technology (KAUST))

  • Yu Han

    (King Abdullah University of Science and Technology (KAUST))

  • Zheng-Hong Lu

    (University of Toronto)

  • Omar F. Mohammed

    (King Abdullah University of Science and Technology (KAUST))

  • Feng Gao

    (Linköping University)

  • Edward H. Sargent

    (University of Toronto)

  • Osman M. Bakr

    (King Abdullah University of Science and Technology (KAUST))

Abstract

Inverted perovskite solar cells have attracted increasing attention because they have achieved long operating lifetimes. However, they have exhibited significantly inferior power conversion efficiencies compared to regular perovskite solar cells. Here we reduce this efficiency gap using a trace amount of surface-anchoring alkylamine ligands (AALs) with different chain lengths as grain and interface modifiers. We show that long-chain AALs added to the precursor solution suppress nonradiative carrier recombination and improve the optoelectronic properties of mixed-cation mixed-halide perovskite films. The resulting AAL surface-modified films exhibit a prominent (100) orientation and lower trap-state density as well as enhanced carrier mobilities and diffusion lengths. These translate into a certified stabilized power conversion efficiency of 22.3% (23.0% power conversion efficiency for lab-measured champion devices). The devices operate for over 1,000 h at the maximum power point under simulated AM1.5 illumination, without loss of efficiency.

Suggested Citation

  • Xiaopeng Zheng & Yi Hou & Chunxiong Bao & Jun Yin & Fanglong Yuan & Ziru Huang & Kepeng Song & Jiakai Liu & Joel Troughton & Nicola Gasparini & Chun Zhou & Yuanbao Lin & Ding-Jiang Xue & Bin Chen & An, 2020. "Managing grains and interfaces via ligand anchoring enables 22.3%-efficiency inverted perovskite solar cells," Nature Energy, Nature, vol. 5(2), pages 131-140, February.
    • Handle: RePEc:nat:natene:v:5:y:2020:i:2:d:10.1038_s41560-019-0538-4
    DOI: 10.1038/s41560-019-0538-4
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    Cited by:

    1. Kaikai Liu & Yujie Luo & Yongbin Jin & Tianxiao Liu & Yuming Liang & Liu Yang & Peiquan Song & Zhiyong Liu & Chengbo Tian & Liqiang Xie & Zhanhua Wei, 2022. "Moisture-triggered fast crystallization enables efficient and stable perovskite solar cells," Nature Communications, Nature, vol. 13(1), pages 1-10, December.
    2. Feng Ke & Jiejuan Yan & Shanyuan Niu & Jiajia Wen & Ketao Yin & Hong Yang & Nathan R. Wolf & Yan-Kai Tzeng & Hemamala I. Karunadasa & Young S. Lee & Wendy L. Mao & Yu Lin, 2022. "Cesium-mediated electron redistribution and electron-electron interaction in high-pressure metallic CsPbI3," Nature Communications, Nature, vol. 13(1), pages 1-8, December.
    3. Sajid, Sajid & Huang, Hao & Ji, Jun & Jiang, Haoran & Duan, Mingjun & Liu, Xin & Liu, Benyu & Li, Meicheng, 2021. "Quest for robust electron transporting materials towards efficient, hysteresis-free and stable perovskite solar cells," Renewable and Sustainable Energy Reviews, Elsevier, vol. 152(C).
    4. Bo Li & Qi Liu & Jianqiu Gong & Shuai Li & Chunlei Zhang & Danpeng Gao & Zhongwei Chen & Zhen Li & Xin Wu & Dan Zhao & Zexin Yu & Xintong Li & Yan Wang & Haipeng Lu & Xiao Cheng Zeng & Zonglong Zhu, 2024. "Harnessing strong aromatic conjugation in low-dimensional perovskite heterojunctions for high-performance photovoltaic devices," Nature Communications, Nature, vol. 15(1), pages 1-9, December.
    5. Haitao Zhou & Kai Cai & Shiqi Yu & Zhenhan Wang & Zhuang Xiong & Zema Chu & Xinbo Chu & Qi Jiang & Jingbi You, 2024. "Efficient and stable perovskite mini-module via high-quality homogeneous perovskite crystallization and improved interconnect," Nature Communications, Nature, vol. 15(1), pages 1-7, December.
    6. Priyadarshini, P. & Senapati, S. & Naik, R., 2023. "Lead-free organic inorganic hybrid halide perovskites: An emerging candidate for bifunctional applications," Renewable and Sustainable Energy Reviews, Elsevier, vol. 186(C).
    7. Tong Wang & Jiabao Yang & Qi Cao & Xingyu Pu & Yuke Li & Hui Chen & Junsong Zhao & Yixin Zhang & Xingyuan Chen & Xuanhua Li, 2023. "Room temperature nondestructive encapsulation via self-crosslinked fluorosilicone polymer enables damp heat-stable sustainable perovskite solar cells," Nature Communications, Nature, vol. 14(1), pages 1-10, December.
    8. Kyung Mun Yeom & Changsoon Cho & Eui Hyuk Jung & Geunjin Kim & Chan Su Moon & So Yeon Park & Su Hyun Kim & Mun Young Woo & Mohammed Nabaz Taher Khayyat & Wanhee Lee & Nam Joong Jeon & Miguel Anaya & S, 2024. "Quantum barriers engineering toward radiative and stable perovskite photovoltaic devices," Nature Communications, Nature, vol. 15(1), pages 1-9, December.

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