Research Article
Characterization and Photocatalytic Activity of TiO2 Nanotube Films Prepared by Anodization
Table 1
Experimental design matrix for preparation of TNT.
| Weight ratio of glycerol to water | Anodization voltage (V) | Electrolysis time (hours) | Bath temperature (°C) | Electrolyte solution pH |
| 1 : 9 | 30 | 2 | 40 | 6 | 2 : 8 | 30 | 2 | 40 | 6 | 4 : 6 | 30 | 2 | 40 | 6 | 6 : 4 | 30 | 2 | 40 | 6 | 8 : 2 | 30 | 2 | 40 | 6 | 10 : 0 | 30 | 2 | 40 | 6 |
| 6 : 4 | 10 | 2 | 40 | 6 | 6 : 4 | 20 | 2 | 40 | 6 | 6 : 4 | 40 | 2 | 40 | 6 | 6 : 4 | 50 | 2 | 40 | 6 | 6 : 4 | 60 | 2 | 40 | 6 | 6 : 4 | 70 | 2 | 40 | 6 |
| 6 : 4 | 30 | 1 | 40 | 6 | 6 : 4 | 30 | 4 | 40 | 6 | 6 : 4 | 30 | 6 | 40 | 6 | 6 : 4 | 30 | 8 | 40 | 6 | 6 : 4 | 30 | 10 | 40 | 6 |
| 6 : 4 | 30 | 2 | 10 | 6 | 6 : 4 | 30 | 2 | 20 | 6 | 6 : 4 | 30 | 2 | 50 | 6 | 6 : 4 | 30 | 2 | 60 | 6 | 6 : 4 | 30 | 2 | 80 | 6 |
| 6 : 4 | 30 | 2 | 40 | 2 | 6 : 4 | 30 | 2 | 40 | 4 | 6 : 4 | 30 | 2 | 40 | 8 | 6 : 4 | 30 | 2 | 40 | 10 |
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