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Table 2 Photovoltaic parameters for the P3HT:PCBM-based PSCs using LiF single and C₆₀ (25 nm)/LiF double CBLs with different thicknesses of LiF

From: 5-nm LiF as an Efficient Cathode Buffer Layer in Polymer Solar Cells Through Simply Introducing a C₆₀ Interlayer

CBL	J _sc (mA/cm²)	V _oc (V)	FF (%)	PCE (%)	R _s (Ω cm²)	R _sh (Ω cm²)
LiF (0.5 nm)	9.15	0.59	53.8	2.91	5.50	208.94
LiF (1 nm)	9.21	0.58	57.2	3.06	6.14	253.56
LiF (6 nm)	7.20	0.58	18.9	0.79	195.21	62.65
LiF (8 nm)	1.05	0.58	10.2	0.06	4749.92	175.15
C₆₀/LiF (0.5 nm)	10.03	0.59	60.2	3.57	4.95	323.33
C₆₀/LiF (1 nm)	10.10	0.56	66.6	3.77	5.05	626.63
C₆₀/LiF (6 nm)	8.21	0.54	59.8	2.65	8.98	744.54
C₆₀/LiF (8 nm)	6.96	0.54	29.2	1.10	14.08	82.15

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