Table 9. Calculated fill factor and its percentage and open-circuit voltages of all molecules.

Compounds	V OC (V)	Normalized VOC	FF	% FF
REF	3.830	148.158	0.960	95.975
M1	1.060	41.015	0.887	88.739
M2	1.025	39.668	0.884	88.447
M3	1.034	40.015	0.885	88.524
M4	1.055	40.805	0.887	88.694
M5	1.051	40.647	0.887	88.661
M6	1.091	42.194	0.890	88.982