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Contact angles of DIM and acetonitrile ACN on PTB7 and PTB7-b-P4VP, dispersive component (γD), polar component (γP), and total surface energy (γ) for the two polymers.
| Sample | θDIM [°] |
θACN [°] |
γD [mN m−1] |
γP [mN m−1] |
γ [mN m−1] |
|---|---|---|---|---|---|
| PTB7 | 52.2 | 33.0 | 33.0 | 0.06 | 33.1 |
| PTBT-b-P4VP | 45.4 | 41.5 | 36.8 | 0.5 | 37.3 |
