fig4
![Evolved photovoltaic performance of MAPbI<sub>3</sub> and FAPbI<sub>3</sub>-based perovskite solar cells in low-temperatures](https://image.oaes.cc/545753e5-6130-44b9-aadb-f4488a7263f5/em3086.fig.4.jpg)
Figure 4. The photovoltaic performance of MAPbI3-based PSCs (blue points) and FAPbI3-based PSCs (red points) from 290 to 150 K: (A) PCE; (B) FF; (C) VOC; and (D) JSC. PSCs: Perovskite solar cells; PCE: power conversion efficiency; FF: fill factor; VOC: open-circuit voltage; JSC: short-circuit current.