Table 2.

Detailed V_OC losses of the PBDB-TF:BTP-4X-based OPV cells

Devices	Eg (eV)	ΔE (eV)	$q{V}_{\mathrm{OC}}^{\mathrm{SQ}}$ (eV)	ΔE1 (eV)	ΔE2 (eV)	ΔE3 (eV)
PBDB-TF:BTP-4F	1.407	0.573	1.143	0.264	0.074	0.230
PBDB-TF:BTP-4Cl	1.400	0.533	1.137	0.263	0.065	0.206