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. 2021 Jul 14;4(7):6650–6658. doi: 10.1021/acsaem.1c00707

Figure 5.

Figure 5

Sub-band-gap EQE of Csy(FA0.66MA0.34)1–yPb(I1–xBrx)3 perovskite p–i–n solar cells. Dark solid lines represent the normalized EQE of a pristine solar cell, while the light dashed line represents the EQE of a solar cell, after continuous illumination using a 532 nm laser at ∼1 sun equiv intensity for 2 h. (a) (x, y) = (0, 0). (b) (x, y) = (0.33, 0). (c) (x, y) = (0.33, 0.10). Noise level is ∼5 × 10–8.