Research Article

Photocatalytic Activity of - Composites

Figure 4

OH radicals formation on the photocatalyst surface by the fluorescence measurements of 7-hydroxycoumarine for (a) , (b) - -10%; (1) as received, (2) 400 -treated, (3) 600 -treated.
297319.fig.004a
(a)
297319.fig.004b
(b)