Table 3: The parameters of solar cells with P3HT:PCBM+N719+GNP active layer.

ConditionSubstrate (V) (mA/cm2)FF (%)

Glass0.454.060.2614.76
0.1 sunPI0.453.890.2664.65
PET0.452.870.2483.21

Glass0.5013.480.2111.42
1 sunPI0.459.670.2321.01
PET0.459.310.2320.97