Figure 12

UV-vis spectra of catalytic reduction of mixed solution of 0.1 mM concentration of each 4-NP with MB (a), MO with MB (b) and CR with MB (c) as a function of time by NaBH4 in the presence of Cu/CS-TiO2 nanocatalyst.
UV-vis spectra of catalytic reduction of mixed solution of 0.1 mM concentration of each 4-NP with MB (a), MO with MB (b) and CR with MB (c) as a function of time by NaBH4 in the presence of Cu/CS-TiO2 nanocatalyst.