Research Article

Double-Layered Zirconia Films for Carbon-Based Mesoscopic Perovskite Solar Cells and Photodetectors

Figure 10

Typical plots of vs. of PSCs, having (a) a N_ZrO2 film as a spacer with different thicknesses and (b) a DL_ZrO2 film as a spacer with different thicknesses.
(a)
(b)