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. 2018 Mar 29;6(16):6882–6890. doi: 10.1039/c7ta11128b

Fig. 6. (a) Photoluminescence spectra at 70 K of perovskite layers annealed in air (blue) and nitrogen (red) at high (dashed lines) and low (solid lines) illumination intensities. (b) EL-EQE measurements of solar cells with perovskite layers annealed in air (blue solid squares) and N2 (red solid circles).

Fig. 6