Thickness Effect on F8T2/C₆₀ Bilayer Photovoltaic Devices

Table 1

Device characteristics of the bilayer solar cells.

Active layer thickness	𝐽sc	𝑉oc	FF	η
(nm)	(mA cm^−2)	(V)	(%)	(%)
18	3.84	0.75	54	1.60
30	4.79	0.91	50	2.10
40	3.65	0.85	50	1.55
60	1.97	0.65	34	0.43