Journal of Inorganic Materials, Volume. 38, Issue 12, 1387(2023)

Performance Optimization of Ultra-long Stable Mixed Cation Perovskite Solar Cells

Tingting MA1...2, Zhipeng WANG1,2, Mei ZHANG1,2, and Min GUO12,* |Show fewer author(s)
Author Affiliations
  • 11. State Key Laboratory of Advanced Metallurgy, University of Science and Technology Beijing, Beijing 100083, China
  • 22. School of Metallurgical and Ecological Engineering, University of Science and Technology Beijing, Beijing 100083, China
  • show less
    Figures & Tables(21)
    Flow chart for the preparation of perovskite films and device manufacturing by two-step spin coating in the air
    Crystal structures and morphologies of different samples
    Photovoltaic performances of PSCs
    Photoelectric properties and energy levels of three perovskite films
    Interface transmission and carrier recombination characteristics of PSCs
    Long-term stabilities of three perovskite solar cells at (20±5) ℃, relative humidity <5% in the dark
    Dark state EIS profiles of (a) MP, (b) MFP, (c) CMFP PSCs before and after aging at (20±5) ℃ and relative humidity<5%
    Thermal stability of three PSCs at (85±5) ℃ and relative humidity 20%-30% in the dark
    Wet stability of three PSCs at (20±5) ℃ and relative humidity 80%-90% in the dark
    UPS profiles of three perovskite films
    XRD patterns of three perovskite thin films over time at 85 ℃, 20%-30% RH
    XRD patterns of three perovskite thin films over time at (20±5) ℃, 80%-90% RH
    • Table 1. Performance parameters of three best performing PSCs (Fig. 3 (e) and Fig. S1)

      View table
      View in Article

      Table 1. Performance parameters of three best performing PSCs (Fig. 3 (e) and Fig. S1)

      SampleJsc /(mA•cm-2) Voc/V FFPCEmax/% Intergrated current density/(mA•cm-2)
      MP22.870.970.7416.3421.87
      MFP23.481.050.7618.6622.71
      CMFP23.301.060.7819.3422.37
    • Table 1. Photovoltaic parameters of three types of perovskite solar cells

      View table
      View in Article

      Table 1. Photovoltaic parameters of three types of perovskite solar cells

      SampleJsc /(mA•cm-2) Voc/V FFPCE/%PCEmax/%
      MP21.32±0.990.95±0.030.74±0.0215.11±0.8616.31
      MFP22.94±0.980.99±0.040.76±0.0317.18±0.6118.87
      CMFP22.24±0.771.03±0.030.78±0.0217.83±0.3319.34
    • Table 2. Fitting results of transient spectra (Fig. 4(d)) excited from the perovskite side

      View table
      View in Article

      Table 2. Fitting results of transient spectra (Fig. 4(d)) excited from the perovskite side

      Sampleτ1/ns τ2/ns B1B2τmean/ns
      MP33.6496.210.450.5568.05
      MFP31.7081.410.680.3247.61
      CMFP26.5177.120.220.7865.99
    • Table 3. EVB and ECB of three perovskite films calculated from UPS profiles (Fig. S1)

      View table
      View in Article

      Table 3. EVB and ECB of three perovskite films calculated from UPS profiles (Fig. S1)

      SampleФ/eV $E_{\text{VB}}^{\text{F}}$/eV EVB/eV Eg/eV ECB/eV
      MP3.741.59-5.331.61-3.72
      MFP4.021.49-5.511.55-3.96
      CMFP3.931.47-5.401.55-3.85
    • Table 4. Fitting results of transient spectra (Fig. 5(b)) excited from the FTO side

      View table
      View in Article

      Table 4. Fitting results of transient spectra (Fig. 5(b)) excited from the FTO side

      Sample${{\tau }_{1}}^{\prime }$/ns ${{\tau }_{2}}^{\prime }$/ns ${{B}_{1}}^{\prime }$${{B}_{2}}^{\prime }$
      MP75.22422.180.470.53
      MFP35.421.420.380.62
      CMFP8.2134.520.760.24
    • Table 5. Fitting results of EIS (Fig. 7) data

      View table
      View in Article

      Table 5. Fitting results of EIS (Fig. 7) data

      Long-term stabilityRs/(Ω·cm2) Rrec/(Ω·cm2) Rnrec
      Before testingMP32.404932
      MFP27.187261
      CMFP21.8410890
      After testingMP47.9914620.30
      MFP39.8854300.75
      CMFP34.1691730.84
    • Table 6. Relative J-V values of three PSCs after long-term stability testing

      View table
      View in Article

      Table 6. Relative J-V values of three PSCs after long-term stability testing

      SampleFFnVnocJnscPCEn
      MP0.540.850.630.30
      MFP0.900.940.920.81
      CMFP0.880.960.900.85
    • Table 7. Relative J-V values of three PSCs after thermal stability testing

      View table
      View in Article

      Table 7. Relative J-V values of three PSCs after thermal stability testing

      SampleFFnVnocJnscPCEn
      MP0.810.890.870.70
      MFP0.940.940.920.93
      CMFP0.950.960.950.99
    • Table 8. Relative J-V values of three PSCs after wet stability testing

      View table
      View in Article

      Table 8. Relative J-V values of three PSCs after wet stability testing

      SampleFFnVnocJnscPCEn
      MP0.720.860.880.56
      MFP0.890.920.900.78
      CMFP0.910.960.920.84
    Tools

    Get Citation

    Copy Citation Text

    Tingting MA, Zhipeng WANG, Mei ZHANG, Min GUO. Performance Optimization of Ultra-long Stable Mixed Cation Perovskite Solar Cells[J]. Journal of Inorganic Materials, 2023, 38(12): 1387

    Download Citation

    EndNote(RIS)BibTexPlain Text
    Save article for my favorites
    Paper Information

    Category:

    Received: Feb. 27, 2023

    Accepted: --

    Published Online: Mar. 6, 2024

    The Author Email: GUO Min (guomin@ustb.edu.cn)

    DOI:10.15541/jim20230098

    Topics