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Perovskite-polymer composite cross-linker approach for highly-stable and efficient perovskite solar cells

Author

Listed:
  • Tae-Hee Han

    (University of California)

  • Jin-Wook Lee

    (University of California)

  • Chungseok Choi

    (University of California)

  • Shaun Tan

    (University of California)

  • Changsoo Lee

    (Korea Advanced Institute of Science and Technology, 291 Daehak-ro, Yuseong-gu)

  • Yepin Zhao

    (University of California)

  • Zhenghong Dai

    (University of California)

  • Nicholas Marco

    (University of California)

  • Sung-Joon Lee

    (University of California)

  • Sang-Hoon Bae

    (University of California)

  • Yonghai Yuan

    (Solargiga Energy Holdings Limited)

  • Hyuck Mo Lee

    (Korea Advanced Institute of Science and Technology, 291 Daehak-ro, Yuseong-gu)

  • Yu Huang

    (University of California)

  • Yang Yang

    (University of California)

Abstract

Manipulation of grain boundaries in polycrystalline perovskite is an essential consideration for both the optoelectronic properties and environmental stability of solar cells as the solution-processing of perovskite films inevitably introduces many defects at grain boundaries. Though small molecule-based additives have proven to be effective defect passivating agents, their high volatility and diffusivity cannot render perovskite films robust enough against harsh environments. Here we suggest design rules for effective molecules by considering their molecular structure. From these, we introduce a strategy to form macromolecular intermediate phases using long chain polymers, which leads to the formation of a polymer-perovskite composite cross-linker. The cross-linker functions to bridge the perovskite grains, minimizing grain-to-grain electrical decoupling and yielding excellent environmental stability against moisture, light, and heat, which has not been attainable with small molecule defect passivating agents. Consequently, all photovoltaic parameters are significantly enhanced in the solar cells and the devices also show excellent stability.

Suggested Citation

  • Tae-Hee Han & Jin-Wook Lee & Chungseok Choi & Shaun Tan & Changsoo Lee & Yepin Zhao & Zhenghong Dai & Nicholas Marco & Sung-Joon Lee & Sang-Hoon Bae & Yonghai Yuan & Hyuck Mo Lee & Yu Huang & Yang Yan, 2019. "Perovskite-polymer composite cross-linker approach for highly-stable and efficient perovskite solar cells," Nature Communications, Nature, vol. 10(1), pages 1-10, December.
    • Handle: RePEc:nat:natcom:v:10:y:2019:i:1:d:10.1038_s41467-019-08455-z
    DOI: 10.1038/s41467-019-08455-z
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    Cited by:

    1. Issa M.Aziz, 2023. "A review of thin film solar cell," Technium, Technium Science, vol. 10(1), pages 6-13.
    2. Takeo Oku & Satsuki Kandori & Masaya Taguchi & Atsushi Suzuki & Masanobu Okita & Satoshi Minami & Sakiko Fukunishi & Tomoharu Tachikawa, 2020. "Polysilane-Inserted Methylammonium Lead Iodide Perovskite Solar Cells Doped with Formamidinium and Potassium," Energies, MDPI, vol. 13(18), pages 1-11, September.
    3. Xuemei Li & Wengang Huang & Andraž Krajnc & Yuwei Yang & Atul Shukla & Jaeho Lee & Mehri Ghasemi & Isaac Martens & Bun Chan & Dominique Appadoo & Peng Chen & Xiaoming Wen & Julian A. Steele & Haira G., 2023. "Interfacial alloying between lead halide perovskite crystals and hybrid glasses," Nature Communications, Nature, vol. 14(1), pages 1-12, December.
    4. Shoieb Shaik & Ziyou Zhou & Zhongliang Ouyang & Rebecca Han & Dawen Li, 2021. "Polymer Additive Assisted Fabrication of Compact and Ultra-Smooth Perovskite Thin Films with Fast Lamp Annealing," Energies, MDPI, vol. 14(9), pages 1-10, May.

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