Fig. 1
From: Unveiling the operation mechanism of layered perovskite solar cells
Characterization of layered perovskite thin films and fabricated solar cells. X-ray diffraction (XRD) spectrum (a), absorption spectrum (b) and scanning electron microscopy (SEM) image (c) of layered perovskites films. d The layered perovskite photovoltaic device architecture. e Current density-voltage (J-V) curve of solar cells based on layered perovskites. f External quantum efficiency (EQE; orange) and integrated short-circuit current density (JSC; green) as a function of wavelength for layered perovskite solar cells
