Table 1. Equilibrium Contact Angle of Probe Liquid Water on Studied Surfaces (n = 5, Mean ± SD).
| sample | contact angle (deg) |
|---|---|
| GB-OH | 28.3 ± 0.8 |
| GB-NH2 | 63.3 ± 6.6 |
| GB-CN | 87.8 ± 6.4 |
| GB-F | 115.7 ± 4.0 |
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