Figure 3

(a) Change in absorbance of Erythrosine (525 nm) (b) Color change in erythrosine under dark and light (Figure drawn by author H.S. Kushwaha) (c) Change in absorbance of Ciprofloxacin (276 nm) and (d) fluorescence emission of estriol (305 nm excited at 240 nm) with time in photocatalytic degradation using CCTO pellets under visible light (λ>420 nm).