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Journal of Inorganic Materials, Volume. 38, Issue 8, 893(2023)

Temperature Dependent Transient Photoconductive Response of CsPbBr3 NCs

Jiashun FAN1, Donglin XIA2、*, and Baoshun LIU2
Author Affiliations
  • 11. School of Materials Science and Engineering, Wuhan University of Technology, Wuhan 430070, China
  • 22. State Key Laboratory of Silicate Materials for Architectures, Wuhan University of Technology, Wuhan 430070, China
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    AbstractGet PDF(in Chinese)
    Figures&Tables (7)
    Equations (2)
    References (40)
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    Figures & Tables(7)
    Preparation process of CsPbBr3 NC thin film sample and schematic diagram of the transient photoconduction test
    1. Preparation process of CsPbBr3 NC thin film sample and schematic diagram of the transient photoconduction test

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    Optical absorption, PL spectra, microstructure and micromorphology of CsPbBr3 NCs
    2. Optical absorption, PL spectra, microstructure and micromorphology of CsPbBr3 NCs

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    Curves of photo-generated current with light cycle time(t) at different temperatures and excitation powers for photoconductive samples
    3. Curves of photo-generated current with light cycle time(t) at different temperatures and excitation powers for photoconductive samples

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    Curves of temperature-dependent carrier photo-generated currents and the fastest decay time constants of the photoconductive samples
    4. Curves of temperature-dependent carrier photo-generated currents and the fastest decay time constants of the photoconductive samples

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    Curves of excitation power-dependent carrier photo-generated current and the fastest decay time constant of the photoconductive samples
    5. Curves of excitation power-dependent carrier photo-generated current and the fastest decay time constant of the photoconductive samples

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    • Table 1. Fitting parameters of time normalized current curve at different temperatures

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      Table 1. Fitting parameters of time normalized current curve at different temperatures

      Temperatures/Kτ1/μs τ2/μs τ3/μs
      133(3.759±0.223)(124.77±6.69)(1324.35±361.18)
      153(3.723±0.216)(127.40±5.72)(1545.52±582.47)
      173(3.885±0.209)(134.73±6.23)(2141.44±1403.33)
      193(4.680±0.260)(107.52±5.69)(720.84±118.71)
      213(5.015±0.240)(128.03±4.42)(1473.34±412.23)
      233(5.985±0.322)(124.42±4.29)(1725.43±171.92)
      253(6.439±0.270)(133.90±3.88)(1535.70±80.51)
      273(7.721±0.193)(133.68±2.92)(1249.10±30.38)
      293(5.792±0.152)(121.84±2.33)(1249.65±34.02)
      313(5.176±0.140)(123.42±2.59)(1215.50±43.39)
      333(5.238±0.137)(119.48±2.78)(1061.38±47.03)
      353(4.638±0.114)(115.78±3.05)(1127.95±113.98)
      373(4.254±0.128)(116.16±4.02)(2370.56±1223.21)

    • Table 2. Fitting parameters of time normalized current curve at different powers

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      Table 2. Fitting parameters of time normalized current curve at different powers

      Power/mWτ1/μs τ2/μs τ3/μs
      200(25.955±0.493)(117.67±22.31)(822.18±234.43)
      300(15.411±0.686)(91.76±17.61)(502.61±110.28)
      400(10.856±0.392)(86.72±13.96)(423.04±60.38)
      500(13.300±0.351)(100.49±15.70)(444.26±71.77)
      600(10.824±0.281)(52.30±4.84)(318.36±12.73)
      700(8.775±0.322)(74.87±6.95)(353.29±21.81)
      800(11.546±0.210)(62.75±6.64)(325.15±15.40)
      900(11.412±0.183)(89.94±7.53)(386.28±29.85)
      1000(9.431±0.132)(51.78±2.85)(294.00±7.33)
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    Jiashun FAN, Donglin XIA, Baoshun LIU. Temperature Dependent Transient Photoconductive Response of CsPbBr3 NCs [J]. Journal of Inorganic Materials, 2023, 38(8): 893

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    Paper Information

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    Received: Jan. 4, 2023

    Accepted: --

    Published Online: Dec. 28, 2023

    The Author Email: XIA Donglin (donglinxia@126.com)

    DOI:10.15541/jim20230008

    Topics

    laser devices and laser physics
    Lasers and Laser Optics
    Laser physics
    laser manufacturing
    Instrumentation, Measurement and Metrology