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How lasing happens in CsPbBr3 perovskite nanowires

Author

Listed:
  • Andrew P. Schlaus

    (Columbia University)

  • Michael S. Spencer

    (Columbia University)

  • Kiyoshi Miyata

    (Columbia University)

  • Fang Liu

    (Columbia University)

  • Xiaoxia Wang

    (Hunan University)

  • Ipshita Datta

    (Columbia University)

  • Michal Lipson

    (Columbia University)

  • Anlian Pan

    (Hunan University)

  • X.-Y. Zhu

    (Columbia University)

Abstract

Lead halide perovskites are emerging as an excellent material platform for optoelectronic processes. There have been extensive discussions on lasing, polariton formation, and nonlinear processes in this material system, but the underlying mechanism remains unknown. Here we probe lasing from CsPbBr3 perovskite nanowires with picosecond (ps) time resolution and show that lasing originates from stimulated emission of an electron-hole plasma. We observe an anomalous blue-shifting of the lasing gain profile with time up to 25 ps, and assign this as a signature for lasing involving plasmon emission. The time domain view provides an ultra-sensitive probe of many-body physics which was obscured in previous time-integrated measurements of lasing from lead halide perovskite nanowires.

Suggested Citation

  • Andrew P. Schlaus & Michael S. Spencer & Kiyoshi Miyata & Fang Liu & Xiaoxia Wang & Ipshita Datta & Michal Lipson & Anlian Pan & X.-Y. Zhu, 2019. "How lasing happens in CsPbBr3 perovskite nanowires," Nature Communications, Nature, vol. 10(1), pages 1-8, December.
    • Handle: RePEc:nat:natcom:v:10:y:2019:i:1:d:10.1038_s41467-018-07972-7
    DOI: 10.1038/s41467-018-07972-7
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    Cited by:

    1. Luning Wang & Sui Yang & Tingting Xi & Qingchen Yang & Jie Yi & Hongxing Li & Jianxin Zhong, 2023. "Performance Optimization of CsPb(I 1–x Br x ) 3 Inorganic Perovskite Solar Cells with Gradient Bandgap," Energies, MDPI, vol. 16(10), pages 1-15, May.
    2. Liqiang Zhang & Yiliu Wang & Anshi Chu & Zhengwei Zhang & Miaomiao Liu & Xiaohua Shen & Bailing Li & Xu Li & Chen Yi & Rong Song & Yingying Liu & Xiujuan Zhuang & Xidong Duan, 2024. "Facet-selective growth of halide perovskite/2D semiconductor van der Waals heterostructures for improved optical gain and lasing," Nature Communications, Nature, vol. 15(1), pages 1-15, December.

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