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Comparison for the deposition time efficiency of PDA coating prepared with different methods.
| Methods | Deposition time (min) | Thickness (nm) | Deposition rate (nm/h) | Thickness limitation (nm) | References |
|---|---|---|---|---|---|
| Self-polymerization | 1440 | 50 | 2 | Rarely exceeded 100 nm in a single deposition step | 1 |
| (NH4)2S2O8-induced | 120 | 70 | 35 | 20 | |
| CuSO4/H2O2-induced | 40 | 30 | 45 | 21 | |
| FeCl3/H2O2-induced | 40 | 75 | 113 | 23 | |
| Pure O2-induced | 30 | 4 | 8 | 31 | |
| UV-triggered | 120 | 4 | 2 | 25 | |
| UV-triggered | 180 | 11 | 4 | 26 | |
| EFAP | 20 | 1863 | 5589 | 2755 | This work |
