Table 2 Conditions of 2nd anodization process.
Electrolyte composition | Potential (V) | Time (min) | Temperature (°C) | PAT time (min) | Length (μm) | Pore size (nm) |
|---|---|---|---|---|---|---|
0.1 M NH4F and 1.5 M H2O in 1:1 EG and DMSO (vol. ratio) | 30 | 1 | 53 | 4 | 0.47 | 52.7 |
3 | 5 | 0.95 | 62 | |||
5 | 5 | 1.5 | 62.2 | |||
15 | 6 | 3.7 | 61.1 | |||
30 | 8 | 4.9 | 61.5 | |||
60 | 4 | 9.6 | 80.2 | |||
0.08 M NH4F and 1.3 M H2O in EG | 60 | 60 | 20 | 0 | 21 | 117.2 |
