Research / 2019 / Article / Fig 2

Research Article

Perovskite Solar Cells Yielding Reproducible Photovoltage of 1.20 V

Figure 2

Morphological characterization. (a) and (b) Top view SEM micrographs acquired from Cs5Pb, and Cs5Pb.0.05GuaI films. (c) and (d) Cross-sectional SEM micrographs acquired from the fully assembled devices based on Cs5Pb and Cs5Pb.0.05GuaI films.