Fig. 17

UV–Vis absorbance spectra of MB dye in the presence of the bioreduced ZnO/ZnS nanocomposite catalyst under dark conditions (inset shows photographs of MB dye degradation at different times).

UV–Vis absorbance spectra of MB dye in the presence of the bioreduced ZnO/ZnS nanocomposite catalyst under dark conditions (inset shows photographs of MB dye degradation at different times).