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. 2021 Jan 8;11:33. doi: 10.1038/s41598-020-79659-3

Figure 2.

Figure 2

(a,b) J–V curves of 3D and 2D/3D perovskite solar cells under 1 Sun illumination (100 mW/cm2), respectively. The J–V curves were recorded in three cycles at different intervals of time (fresh, 2500 h & 5000 h) to compare the change in the photovoltaic parameters of both 3D and 2D/3D samples. The J–V characteristics were recorded in the forward (from 0 to + V) direction at a scan rate of 25 mV/s. (c,d) represents the I–V curves of 3D and 2D/3D perovskite solar cells, respectively, under dark conditions.