Fig. 2From: Efficiency Enhancement of Perovskite Solar Cells by Pumping Away the Solvent of Precursor Film Before Annealing a Device structure of the MAPbI3 − x Cl x -based perovskite solar cells. b Current density-voltage curves of the reference and modified devices measured under AM 1.5G solar illumination at 100 mW/cm2. c External quantum efficiency of the reference and modified devicesBack to article page