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Tailored interfaces of unencapsulated perovskite solar cells for >1,000 hour operational stability

Author

Listed:
  • Jeffrey A. Christians

    (National Renewable Energy Laboratory)

  • Philip Schulz

    (National Renewable Energy Laboratory)

  • Jonathan S. Tinkham

    (Colorado School of Mines)

  • Tracy H. Schloemer

    (Colorado School of Mines)

  • Steven P. Harvey

    (National Renewable Energy Laboratory)

  • Bertrand J. Tremolet de Villers

    (National Renewable Energy Laboratory)

  • Alan Sellinger

    (National Renewable Energy Laboratory
    Colorado School of Mines)

  • Joseph J. Berry

    (National Renewable Energy Laboratory)

  • Joseph M. Luther

    (National Renewable Energy Laboratory)

Abstract

Long-term device stability is the most pressing issue that impedes perovskite solar cell commercialization, given the achieved 22.7% efficiency. The perovskite absorber material itself has been heavily scrutinized for being prone to degradation by water, oxygen and ultraviolet light. To date, most reports characterize device stability in the absence of these extrinsic factors. Here we show that, even under the combined stresses of light (including ultraviolet light), oxygen and moisture, perovskite solar cells can retain 94% of peak efficiency despite 1,000 hours of continuous unencapsulated operation in ambient air conditions (relative humidity of 10–20%). Each interface and contact layer throughout the device stack plays an important role in the overall stability which, when appropriately modified, yields devices in which both the initial rapid decay (often termed burn-in) and the gradual slower decay are suppressed. This extensively modified device architecture and the understanding developed will lead towards durable long-term device performance.

Suggested Citation

  • Jeffrey A. Christians & Philip Schulz & Jonathan S. Tinkham & Tracy H. Schloemer & Steven P. Harvey & Bertrand J. Tremolet de Villers & Alan Sellinger & Joseph J. Berry & Joseph M. Luther, 2018. "Tailored interfaces of unencapsulated perovskite solar cells for >1,000 hour operational stability," Nature Energy, Nature, vol. 3(1), pages 68-74, January.
    • Handle: RePEc:nat:natene:v:3:y:2018:i:1:d:10.1038_s41560-017-0067-y
    DOI: 10.1038/s41560-017-0067-y
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    Cited by:

    1. Alessandro Cannavale & Francesco Martellotta & Francesco Fiorito & Ubaldo Ayr, 2020. "The Challenge for Building Integration of Highly Transparent Photovoltaics and Photoelectrochromic Devices," Energies, MDPI, vol. 13(8), pages 1-24, April.
    2. 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).
    3. Martin, Blake & Amos, Delaina & Brehob, Ellen & van Hest, Maikel F.A.M. & Druffel, Thad, 2022. "Techno-economic analysis of roll-to-roll production of perovskite modules using radiation thermal processes," Applied Energy, Elsevier, vol. 307(C).
    4. Marina M. Tepliakova & Alexandra N. Mikheeva & Pavel A. Somov & Eugene S. Statnik & Alexander M. Korsunsky & Keith J. Stevenson, 2021. "Combination of Metal Oxide and Polytriarylamine: A Design Principle to Improve the Stability of Perovskite Solar Cells," Energies, MDPI, vol. 14(16), pages 1-13, August.

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