Fig. 6. (a) Comparative photocatalytic degradation of Rh-B dye using bare ZnO NPs and 1 and 3 wt% Ag–ZnO, (b) ln(Co/Ct) vs. time (min) curve for photodegradation of Rh-B, (c) half-life estimation curve for degradation of Rh-B dye using 3 wt% Ag–ZnO, and (d) reusability of 3 wt% Ag–ZnO photocatalyst for decomposition of Rh-B dye for three consecutive cycles.
