Table 4 Activation energy of high- and low-frequency relaxation processes revealed in systems based on PC71BM.
From: A new look at imines and their mixture with PC71BM for organic, flexible photovoltaics
Sample | High-frequency process | Low-frequency process |
|---|---|---|
∆E[kJ/mol] | ∆E[kJ/mol] | |
PC71BM | 57.35 ± 0.17 (208–52 °C) | 68.43 ± 8.20 (208–184 °C) |
56.94 ± 0.35 (180–124 °C) | ||
58.55 ± 0.55 (120–52 °C) | ||
SC13:PC71BM | 56.96 ± 0.31 (208–52 °C) | 45.85 ± 3.30 (208–184 °C) |
73.00 ± 0.36 (180–124 °C) | ||
60.83 ± 0.69 (120–52 °C) | ||
SC3:PC71BM | 58.70 ± 0.52 (208–72 °C) | 45.57 ± 2.08 (208–184 °C) |
69.62 ± 0.21 (180–164 °C) | ||
70.94 ± 2.60 (68–52 °C) | 60.62 ± 1.89 (160–124 °C) | |
72.53 ± 1.24 (120–52 °C) |
