Figure 5

Band gap dependence of open circuit voltage in devices with different CsPbBr3-xI x perovskite compositions and HTM such as spiro-OMeTAD or P3HT/MoO3.

Band gap dependence of open circuit voltage in devices with different CsPbBr3-xI x perovskite compositions and HTM such as spiro-OMeTAD or P3HT/MoO3.