<trans-title xml:lang="en">Performance Optimization of Ultra-long Stable Mixed Cation Perovskite Solar Cells</trans-title>

Tingting MA; Zhipeng WANG; Mei ZHANG; Min GUO

doi:10.15541/jim20230098

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

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

Tingting MA^1,2, Zhipeng WANG^1,2, Mei ZHANG^1,2, and Min GUO^1,2、*

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

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Figures & Tables(21)

1. Flow chart for the preparation of perovskite films and device manufacturing by two-step spin coating in the air

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2. Crystal structures and morphologies of different samples

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3. Photovoltaic performances of PSCs

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4. Photoelectric properties and energy levels of three perovskite films

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5. Interface transmission and carrier recombination characteristics of PSCs

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6. Long-term stabilities of three perovskite solar cells at (20±5) ℃, relative humidity <5% in the dark

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7. Dark state EIS profiles of (a) MP, (b) MFP, (c) CMFP PSCs before and after aging at (20±5) ℃ and relative humidity<5%

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8. Thermal stability of three PSCs at (85±5) ℃ and relative humidity 20%-30% in the dark

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9. Wet stability of three PSCs at (20±5) ℃ and relative humidity 80%-90% in the dark

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S1. UPS profiles of three perovskite films

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S2. XRD patterns of three perovskite thin films over time at 85 ℃, 20%-30% RH

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S3. XRD patterns of three perovskite thin films over time at (20±5) ℃, 80%-90% RH

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Table 1. Performance parameters of three best performing PSCs (Fig. 3 (e) and Fig. S1)
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Table 1. Performance parameters of three best performing PSCs (Fig. 3 (e) and Fig. S1)
Sample J_sc/(mA•cm^-2) V_oc/V FF PCE_max/% Intergrated current density/(mA•cm^-2)
MP 22.87 0.97 0.74 16.34 21.87
MFP 23.48 1.05 0.76 18.66 22.71
CMFP 23.30 1.06 0.78 19.34 22.37

Table 1. Photovoltaic parameters of three types of perovskite solar cells
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Table 1. Photovoltaic parameters of three types of perovskite solar cells
Sample J_sc/(mA•cm^-2) V_oc/V FF PCE/% PCE_max/%
MP 21.32±0.99 0.95±0.03 0.74±0.02 15.11±0.86 16.31
MFP 22.94±0.98 0.99±0.04 0.76±0.03 17.18±0.61 18.87
CMFP 22.24±0.77 1.03±0.03 0.78±0.02 17.83±0.33 19.34

Table 2. Fitting results of transient spectra (Fig. 4(d)) excited from the perovskite side
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Table 2. Fitting results of transient spectra (Fig. 4(d)) excited from the perovskite side
Sample τ₁/ns τ₂/ns B₁ B₂ τ_mean/ns
MP 33.64 96.21 0.45 0.55 68.05
MFP 31.70 81.41 0.68 0.32 47.61
CMFP 26.51 77.12 0.22 0.78 65.99

Table 3. E_VB and E_CB of three perovskite films calculated from UPS profiles (Fig. S1)
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Table 3. E_VB and E_CB of three perovskite films calculated from UPS profiles (Fig. S1)
Sample Ф/eV $E_{\text{VB}}^{\text{F}}$/eV E_VB/eV E_g/eV E_CB/eV
MP 3.74 1.59 -5.33 1.61 -3.72
MFP 4.02 1.49 -5.51 1.55 -3.96
CMFP 3.93 1.47 -5.40 1.55 -3.85

Table 4. Fitting results of transient spectra (Fig. 5(b)) excited from the FTO side
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Table 4. Fitting results of transient spectra (Fig. 5(b)) excited from the FTO side
Sample ${{\tau }_{1}}^{\prime }$/ns ${{\tau }_{2}}^{\prime }$/ns ${{B}_{1}}^{\prime }$ ${{B}_{2}}^{\prime }$
MP 75.22 422.18 0.47 0.53
MFP 35.4 21.42 0.38 0.62
CMFP 8.21 34.52 0.76 0.24

Table 5. Fitting results of EIS (Fig. 7) data
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Table 5. Fitting results of EIS (Fig. 7) data
Long-term stability R_s/(Ω·cm²) R_rec/(Ω·cm²) R_nrec
Before testing MP 32.40 4932 —
MFP 27.18 7261 —
CMFP 21.84 10890 —
After testing MP 47.99 1462 0.30
MFP 39.88 5430 0.75
CMFP 34.16 9173 0.84

Table 6. Relative J-V values of three PSCs after long-term stability testing
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Table 6. Relative J-V values of three PSCs after long-term stability testing
Sample FF_n V_noc J_nsc PCE_n
MP 0.54 0.85 0.63 0.30
MFP 0.90 0.94 0.92 0.81
CMFP 0.88 0.96 0.90 0.85

Table 7. Relative J-V values of three PSCs after thermal stability testing
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Table 7. Relative J-V values of three PSCs after thermal stability testing
Sample FF_n V_noc J_nsc PCE_n
MP 0.81 0.89 0.87 0.70
MFP 0.94 0.94 0.92 0.93
CMFP 0.95 0.96 0.95 0.99

Table 8. Relative J-V values of three PSCs after wet stability testing
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Table 8. Relative J-V values of three PSCs after wet stability testing
Sample FF_n V_noc J_nsc PCE_n
MP 0.72 0.86 0.88 0.56
MFP 0.89 0.92 0.90 0.78
CMFP 0.91 0.96 0.92 0.84

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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

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Paper Information

Category:

Received: Feb. 27, 2023

Accepted: --

Published Online: Mar. 6, 2024

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

DOI:10.15541/jim20230098

Topics

laser devices and laser physics

Lasers and Laser Optics

Laser physics

laser manufacturing

Instrumentation, Measurement and Metrology

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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