Efficient Photocatalytic Degradation of Rhodamine B Dye by Aligned Arrays of Self-Assembled Hydrogen Titanate Nanotubes
Figure 2
(a) Cross-sectional FE-SEM image of the oxidized Ti foil after hydrothermal treatment of 6 h, showing formation of 1D nanostructure array on both sides of the central metal rich oxide layer. (b) Plan view of the same sample from one side. (c) HR-TEM image of a few nanotubes broken off from the same sample.
