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Low-bandgap mixed tin–lead iodide perovskite absorbers with long carrier lifetimes for all-perovskite tandem solar cells

Author

Listed:
  • Dewei Zhao

    (The University of Toledo)

  • Yue Yu

    (The University of Toledo)

  • Changlei Wang

    (The University of Toledo
    Key Laboratory of Artificial Micro/Nano Structures of Ministry of Education, School of Physics and Technology, Wuhan University)

  • Weiqiang Liao

    (The University of Toledo
    Ordered Matter Science Research Center, Southeast University)

  • Niraj Shrestha

    (The University of Toledo)

  • Corey R. Grice

    (The University of Toledo)

  • Alexander J. Cimaroli

    (The University of Toledo)

  • Lei Guan

    (The University of Toledo)

  • Randy J. Ellingson

    (The University of Toledo)

  • Kai Zhu

    (Chemistry and Nanoscience Center, National Renewable Energy Laboratory)

  • Xingzhong Zhao

    (Key Laboratory of Artificial Micro/Nano Structures of Ministry of Education, School of Physics and Technology, Wuhan University)

  • Ren-Gen Xiong

    (Ordered Matter Science Research Center, Southeast University)

  • Yanfa Yan

    (The University of Toledo)

Abstract

Tandem solar cells using only metal-halide perovskite sub-cells are an attractive choice for next-generation solar cells. However, the progress in developing efficient all-perovskite tandem solar cells has been hindered by the lack of high-performance low-bandgap perovskite solar cells. Here, we report efficient mixed tin–lead iodide low-bandgap (∼1.25 eV) perovskite solar cells with open-circuit voltages up to 0.85 V and over 70% external quantum efficiencies in the infrared wavelength range of 700–900 nm, delivering a short-circuit current density of over 29 mA cm−2 and demonstrating suitability for bottom-cell applications in all-perovskite tandem solar cells. Our low-bandgap perovskite solar cells achieve a maximum power conversion efficiency of 17.6% and a certified efficiency of 17.01% with a negligible current–voltage hysteresis. When mechanically stacked with a ∼1.58 eV bandgap perovskite top cell, our best all-perovskite 4-terminal tandem solar cell shows a steady-state efficiency of 21.0%.

Suggested Citation

  • Dewei Zhao & Yue Yu & Changlei Wang & Weiqiang Liao & Niraj Shrestha & Corey R. Grice & Alexander J. Cimaroli & Lei Guan & Randy J. Ellingson & Kai Zhu & Xingzhong Zhao & Ren-Gen Xiong & Yanfa Yan, 2017. "Low-bandgap mixed tin–lead iodide perovskite absorbers with long carrier lifetimes for all-perovskite tandem solar cells," Nature Energy, Nature, vol. 2(4), pages 1-7, April.
    • Handle: RePEc:nat:natene:v:2:y:2017:i:4:d:10.1038_nenergy.2017.18
    DOI: 10.1038/nenergy.2017.18
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    Cited by:

    1. Grażyna Kulesza-Matlak & Kazimierz Drabczyk & Anna Sypień & Agnieszka Pająk & Łukasz Major & Marek Lipiński, 2021. "Interlayer Microstructure Analysis of the Transition Zone in the Silicon/Perovskite Tandem Solar Cell," Energies, MDPI, vol. 14(20), pages 1-15, October.
    2. Jin Zhou & Shiqiang Fu & Shun Zhou & Lishuai Huang & Cheng Wang & Hongling Guan & Dexin Pu & Hongsen Cui & Chen Wang & Ti Wang & Weiwei Meng & Guojia Fang & Weijun Ke, 2024. "Mixed tin-lead perovskites with balanced crystallization and oxidation barrier for all-perovskite tandem solar cells," Nature Communications, Nature, vol. 15(1), pages 1-10, December.
    3. Khan, Firoz & Rezgui, Béchir Dridi & Khan, Mohd Taukeer & Al-Sulaiman, Fahad, 2022. "Perovskite-based tandem solar cells: Device architecture, stability, and economic perspectives," Renewable and Sustainable Energy Reviews, Elsevier, vol. 165(C).
    4. Jeong Eun Park & Chang-Soon Han & Won Seok Choi & Donggun Lim, 2021. "Effect of Various Wafer Surface Etching Processes on c-Si Solar Cell Characteristics," Energies, MDPI, vol. 14(14), pages 1-19, July.
    5. Ricardo A. Marques Lameirinhas & João Paulo N. Torres & João P. de Melo Cunha, 2022. "A Photovoltaic Technology Review: History, Fundamentals and Applications," Energies, MDPI, vol. 15(5), pages 1-44, March.

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