Table 1 Device parameters and optical characteristics of ultra-flexible ST-OPVs based on PTB7-Th:IEICO-4F before and after peeling off.
Peel-off condition | Bottom electrode (Ag) | Top electrode (D/M/D) | Voc (V) | Jsc (mA/cm2) | FF (%) | PCE (%) | AVT (%) |
|---|---|---|---|---|---|---|---|
Before | 8 nm | 5/8/30 nm | 0.681 | 7.65 | 60.8 | 3.11 | 30.1 |
After | 0.681 | 7.61 | 59.8 | 3.09 | |||
Before | 8 nm | 5/25/30 nm | 0.705 | 14.87 | 66.4 | 6.93 | 10.2 |
After | 0.705 | 14.77 | 66.3 | 6.91 |