Research / 2019 / Article / Fig 1

Research Article

High-Performance and Hysteresis-Free Perovskite Solar Cells Based on Rare-Earth-Doped SnO2 Mesoporous Scaffold

Figure 1

(a) XRD patterns of undoped m-SnO2 and 3% Ln3+ (Sc3+, Y3+, La3+)-doped m-SnO2. (b) Magnified XRD diffraction peaks for the selected region. (c), (d) XPS spectra of Sn3d and Y3d, respectively.