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Suppressed phase segregation for triple-junction perovskite solar cells

Author

Listed:
  • Zaiwei Wang

    (University of Toronto)

  • Lewei Zeng

    (University of Toronto)

  • Tong Zhu

    (University of Toronto)

  • Hao Chen

    (University of Toronto)

  • Bin Chen

    (University of Toronto
    Northwestern University)

  • Dominik J. Kubicki

    (University of Warwick)

  • Adam Balvanz

    (Northwestern University)

  • Chongwen Li

    (University of Toronto
    The University of Toledo)

  • Aidan Maxwell

    (University of Toronto)

  • Esma Ugur

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

  • Roberto Reis

    (Northwestern University)

  • Matthew Cheng

    (Northwestern University)

  • Guang Yang

    (University of North Carolina at Chapel Hill)

  • Biwas Subedi

    (The University of Toledo)

  • Deying Luo

    (University of Toronto)

  • Juntao Hu

    (Yunnan University)

  • Junke Wang

    (University of Toronto)

  • Sam Teale

    (University of Toronto)

  • Suhas Mahesh

    (University of Toronto)

  • Sasa Wang

    (University of Toronto)

  • Shuangyan Hu

    (University of Toronto)

  • Eui Dae Jung

    (University of Toronto)

  • Mingyang Wei

    (University of Toronto
    Ecole Polytechnique Fedérale de Lausanne (EPFL))

  • So Min Park

    (University of Toronto)

  • Luke Grater

    (University of Toronto)

  • Erkan Aydin

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

  • Zhaoning Song

    (The University of Toledo)

  • Nikolas J. Podraza

    (The University of Toledo)

  • Zheng-Hong Lu

    (University of Toronto
    Yunnan University)

  • Jinsong Huang

    (University of North Carolina at Chapel Hill)

  • Vinayak P. Dravid

    (Northwestern University)

  • Stefaan De Wolf

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

  • Yanfa Yan

    (The University of Toledo)

  • Michael Grätzel

    (Ecole Polytechnique Fedérale de Lausanne (EPFL))

  • Merx G. Kanatzidis

    (Northwestern University)

  • Edward H. Sargent

    (University of Toronto
    Northwestern University
    Northwestern University)

Abstract

The tunable bandgaps and facile fabrication of perovskites make them attractive for multi-junction photovoltaics1,2. However, light-induced phase segregation limits their efficiency and stability3–5: this occurs in wide-bandgap (>1.65 electron volts) iodide/bromide mixed perovskite absorbers, and becomes even more acute in the top cells of triple-junction solar photovoltaics that require a fully 2.0-electron-volt bandgap absorber2,6. Here we report that lattice distortion in iodide/bromide mixed perovskites is correlated with the suppression of phase segregation, generating an increased ion-migration energy barrier arising from the decreased average interatomic distance between the A-site cation and iodide. Using an approximately 2.0-electron-volt rubidium/caesium mixed-cation inorganic perovskite with large lattice distortion in the top subcell, we fabricated all-perovskite triple-junction solar cells and achieved an efficiency of 24.3 per cent (23.3 per cent certified quasi-steady-state efficiency) with an open-circuit voltage of 3.21 volts. This is, to our knowledge, the first reported certified efficiency for perovskite-based triple-junction solar cells. The triple-junction devices retain 80 per cent of their initial efficiency following 420 hours of operation at the maximum power point.

Suggested Citation

  • Zaiwei Wang & Lewei Zeng & Tong Zhu & Hao Chen & Bin Chen & Dominik J. Kubicki & Adam Balvanz & Chongwen Li & Aidan Maxwell & Esma Ugur & Roberto Reis & Matthew Cheng & Guang Yang & Biwas Subedi & Dey, 2023. "Suppressed phase segregation for triple-junction perovskite solar cells," Nature, Nature, vol. 618(7963), pages 74-79, June.
    • Handle: RePEc:nat:nature:v:618:y:2023:i:7963:d:10.1038_s41586-023-06006-7
    DOI: 10.1038/s41586-023-06006-7
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    Citations

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    Cited by:

    1. Zhangwei He & Runnan Yu & Yiman Dong & Ruyue Wang & Yuling Zhang & Zhan’ao Tan, 2025. "Minimized optical/electrical energy loss for 25.1% Monolithic perovskite/organic tandem solar cells," Nature Communications, Nature, vol. 16(1), pages 1-10, December.
    2. Kunal Datta & Simone C. W. van Laar & Margherita Taddei & Juanita Hidalgo & Tim Kodalle & Guus J. W. Aalbers & Barry Lai & Ruipeng Li & Nobumichi Tamura & Jordi T. W. Frencken & Simon V. Quiroz Monnen, 2025. "Local halide heterogeneity drives surface wrinkling in mixed-halide wide-bandgap perovskites," Nature Communications, Nature, vol. 16(1), pages 1-13, December.
    3. Andrea Zanetta & Valentina Larini & Vikram & Francesco Toniolo & Badri Vishal & Karim A. Elmestekawy & Jiaxing Du & Alice Scardina & Fabiola Faini & Giovanni Pica & Valentina Pirota & Matteo Pitaro & , 2024. "Vertically oriented low-dimensional perovskites for high-efficiency wide band gap perovskite solar cells," Nature Communications, Nature, vol. 15(1), pages 1-10, 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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