Table 1.

Detailed sub‐module photovoltaic parameters of processed by environmentally benign non‐halogen solvents ratio (v/v) of ternary blend active layers (PM6:L8‐BO:BTA‐HD‐Rh) under an illumination of AM 1.5G at 100 mW cm^‒2.

O‐XY:CS2 a)	V oc [V]	J sc [mA cm−2]	FF [%]	PCE b) [%]
1:0	9.41 (9.09 ± 0.32)	2.43 (2.19 ± 0.24)	62.88 (62.38 ± 0.5)	14.42 (14.20 ± 0.22)
0.2:0.8	9.42 (9.27 ± 0.15)	2.53 (2.35 ± 0.18)	65.07 (64.47 ± 0.6)	15.55 (15.30 ± 0.25)
0.6:0.4	9.49 (9.37 ± 0.12)	2.50 (2.37 ± 0.13)	67.36 (67.06 ± 0.3)	16.03 (15.93 ± 0.10)
0.8:0.2	9.43 (9.16 ± 0.27)	2.48 (2.21 ± 0.27)	66.60 (65.90 ± 0.7)	15.62 (15.24 ± 0.38)
0:1	9.28 (9.10 ± 0.18)	2.37 (2.14 ± 0.23)	60.96 (60.76 ± 0.2)	13.42 (13.15 ± 0.27)

^a) Active layer films were annealed at 120 °C/20 min;

^b) An average of 15 sub‐modules were evaluated.