Research Article

Efficient Photocatalytic Degradation of Rhodamine B Dye by Aligned Arrays of Self-Assembled Hydrogen Titanate Nanotubes

Figure 5

Time dependence of the optical absorption spectrum of rhodamine B dye solution in presence of the H2Ti3O7 nanotube array (a) and the (precursor) oxidized Ti foil (b).
328618.fig.005a
(a)
328618.fig.005b
(b)