Characterization and Photocatalytic Activity of TiO₂ Nanotube Films Prepared by Anodization

Figure 1

Top view of SEM images of TNT synthesized at different weight ratios of glycerol and water: (a) 1 : 9, (b) 2 : 8, (c) 4 : 6, (d) 6 : 4, (e) 8 : 2, and (f) 10 : 0.

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(b)

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