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Anisotropic carrier dynamics and laser-fabricated luminescent patterns on oriented single-crystal perovskite wafers

Author

Listed:
  • Chao Ge

    (Beijing University of Technology
    Shandong University)

  • Yachao Li

    (Beijing University of Technology
    Beijing Normal University)

  • Haiying Song

    (Beijing University of Technology)

  • Qiyuan Xie

    (Beijing University of Technology)

  • Leilei Zhang

    (State Key Laboratory of NBC Protection for Civilian)

  • Xiaoran Ma

    (Beijing University of Technology)

  • Junfeng Liu

    (Beijing University of Technology)

  • Xiangjing Guo

    (Beijing University of Technology)

  • Yinzhou Yan

    (Beijing University of Technology)

  • Danmin Liu

    (Beijing University of Technology)

  • Wenkai Zhang

    (Beijing Normal University)

  • Shibing Liu

    (Beijing University of Technology)

  • Yang Liu

    (Shandong University)

Abstract

Perovskite materials and their applications in optoelectronics have attracted intensive attentions in recent years. However, in-depth understanding about their anisotropic behavior in ultrafast carrier dynamics is still lacking. Here we explore the ultrafast dynamical evolution of photo-excited carriers and photoluminescence based on differently-oriented MAPbBr3 wafers. The distinct in-plane polarization of carrier relaxation dynamics of the (100), (110) and (111) wafers and their out-of-plane anisotropy in a picosecond time scale were found by femtosecond time- and polarization-resolved transient transmission measurements, indicating the relaxation process dominated by optical/acoustic phonon interaction is related to photoinduced transient structure rearrangements. Femtosecond laser two-photon fabricated patterns exhibit three orders of magnitude enhancement of emission due to the formation of tentacle-like microstructures. Such a ultrafast dynamic study carried on differently-oriented crystal wafers is believed to provide a deep insight about the photophysical process of perovskites and to be helpful for developing polarization-sensitive and ultrafast-response optoelectronic devices.

Suggested Citation

  • Chao Ge & Yachao Li & Haiying Song & Qiyuan Xie & Leilei Zhang & Xiaoran Ma & Junfeng Liu & Xiangjing Guo & Yinzhou Yan & Danmin Liu & Wenkai Zhang & Shibing Liu & Yang Liu, 2024. "Anisotropic carrier dynamics and laser-fabricated luminescent patterns on oriented single-crystal perovskite wafers," Nature Communications, Nature, vol. 15(1), pages 1-10, December.
    • Handle: RePEc:nat:natcom:v:15:y:2024:i:1:d:10.1038_s41467-024-45055-y
    DOI: 10.1038/s41467-024-45055-y
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    References listed on IDEAS

    as
    1. Ye Liu & Xiaopeng Zheng & Yanjun Fang & Ying Zhou & Zhenyi Ni & Xun Xiao & Shangshang Chen & Jinsong Huang, 2021. "Ligand assisted growth of perovskite single crystals with low defect density," Nature Communications, Nature, vol. 12(1), pages 1-8, December.
    2. Michael B. Price & Justinas Butkus & Tom C. Jellicoe & Aditya Sadhanala & Anouk Briane & Jonathan E. Halpert & Katharina Broch & Justin M. Hodgkiss & Richard H. Friend & Felix Deschler, 2015. "Hot-carrier cooling and photoinduced refractive index changes in organic–inorganic lead halide perovskites," Nature Communications, Nature, vol. 6(1), pages 1-8, December.
    3. Dohyung Kim & Jae Sung Yun & Pankaj Sharma & Da Seul Lee & Jincheol Kim & Arman M. Soufiani & Shujuan Huang & Martin A. Green & Anita W. Y. Ho-Baillie & Jan Seidel, 2019. "Light- and bias-induced structural variations in metal halide perovskites," Nature Communications, Nature, vol. 10(1), pages 1-9, December.
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