Figure 5 | Scientific Reports

Figure 5

From: Novel Solvent-free Perovskite Deposition in Fabrication of Normal and Inverted Architectures of Perovskite Solar Cells

Figure 5

J-V curves measured at AM1.5G solar illumination for devices prepared with normal architecture of FTO/TiO2/SFP/spiro-OMeTAD/Au (a) and inverted architecture of FTO/CuI/SFP/PCBM/Al (b); the photovoltage decay analysis for device structure of FTO/TiO2/SFP/spiro-OMeTAD/Au (c); schematic of charge transferring and recombination states in SFP based solar cells (d) and Nyquist plots of EIS measurements under dark condition with a 0.8 V bias voltage (e).

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