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Low surface recombination velocity in solution-grown CH3NH3PbBr3 perovskite single crystal

Author

Listed:
  • Ye Yang

    (National Renewable Energy Laboratory (NREL))

  • Yong Yan

    (National Renewable Energy Laboratory (NREL))

  • Mengjin Yang

    (National Renewable Energy Laboratory (NREL))

  • Sukgeun Choi

    (National Renewable Energy Laboratory (NREL))

  • Kai Zhu

    (National Renewable Energy Laboratory (NREL))

  • Joseph M. Luther

    (National Renewable Energy Laboratory (NREL))

  • Matthew C. Beard

    (National Renewable Energy Laboratory (NREL))

Abstract

Organic-inorganic hybrid perovskites are attracting intense research effort due to their impressive performance in solar cells. While the carrier transport parameters such as mobility and bulk carrier lifetime shows sufficient characteristics, the surface recombination, which can have major impact on the solar cell performance, has not been studied. Here we measure surface recombination dynamics in CH3NH3PbBr3 perovskite single crystals using broadband transient reflectance spectroscopy. The surface recombination velocity is found to be 3.4±0.1 × 103 cm s−1, ∼2–3 orders of magnitude lower than that in many important unpassivated semiconductors employed in solar cells. Our result suggests that the planar grain size for the perovskite thin films should be larger than ∼30 μm to avoid the influence of surface recombination on the effective carrier lifetime.

Suggested Citation

  • Ye Yang & Yong Yan & Mengjin Yang & Sukgeun Choi & Kai Zhu & Joseph M. Luther & Matthew C. Beard, 2015. "Low surface recombination velocity in solution-grown CH3NH3PbBr3 perovskite single crystal," Nature Communications, Nature, vol. 6(1), pages 1-6, November.
    • Handle: RePEc:nat:natcom:v:6:y:2015:i:1:d:10.1038_ncomms8961
    DOI: 10.1038/ncomms8961
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    Cited by:

    1. Thibault Lemercier & Lara Perrin & Emilie Planès & Solenn Berson & Lionel Flandin, 2020. "A Comparison of the Structure and Properties of Opaque and Semi-Transparent NIP/PIN-Type Scalable Perovskite Solar Cells," Energies, MDPI, vol. 13(15), pages 1-18, July.
    2. Yurou Zhang & Miaoqiang Lyu & Tengfei Qiu & Ekyu Han & Il Ku Kim & Min-Cherl Jung & Yun Hau Ng & Jung-Ho Yun & Lianzhou Wang, 2020. "Halide Perovskite Single Crystals: Optoelectronic Applications and Strategical Approaches," Energies, MDPI, vol. 13(16), pages 1-27, August.
    3. 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.
    4. Stefania Cacovich & Guillaume Vidon & Matteo Degani & Marie Legrand & Laxman Gouda & Jean-Baptiste Puel & Yana Vaynzof & Jean-François Guillemoles & Daniel Ory & Giulia Grancini, 2022. "Imaging and quantifying non-radiative losses at 23% efficient inverted perovskite solar cells interfaces," Nature Communications, Nature, vol. 13(1), pages 1-9, December.

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