Research Article

Photocatalytic Activity of Ti-SBA-15/C3N4 for Degradation of 2,4-Dichlorophenoxyacetic Acid in Water under Visible Light

Figure 3

UV-DRS spectra (a) and Tauc plot (b) of pure C3N4 and xTi-SBA-15/C3N4.
(a)
(b)