Table 3.
Photovoltaic parameters of nonfullerene organic solar cells based on PTB7‐Th:P1:IEICO‐4F
| Materials | Solvent | Thickness [nm] | PCEmax/(PCEavg) [%] | V oc [V] | J sc a) /(J sc avg) [mA cm−2] | J sc b) [mA cm−2] | FF [%] |
|---|---|---|---|---|---|---|---|
| PTB7‐Th(1.0):IEICO‐4F(1.5) c) | Toluene | 110 | 9.79/(9.63 ± 0.16) | 0.73 | 22.06/(21.92 ± 0.14) | 22.01 | 60.47 |
| PTB7‐Th(0.9):P1(0.1):IEICO‐4F(1.5) c) | Toluene | 130 | 12.11/(12.02 ± 0.09) | 0.74 | 25.11/(24.98 ± 0.13) | 24.89 | 65.18 |
| P1(1.0): IEICO‐4F(1.5) c) | Toluene | 120 | 1.31/(1.09 ± 0.22) | 0.81 | 4.43/(4.20 ± 0.23) | 4.36 | 36.70 |
a)
From J–V measurements
b)
Integrated from EQE
c)
The values in parentheses meant mass ratios. The numbers in the parentheses are the average values with standard deviations for 10 solar cell devices.