Fig. 1

UV–visible and optical absorption spectroscopy of conjugates. a UV–vis absorption spectra and b optical absorption spectra (relation) for ZnS (a), Zn_0.75Cd_0.25S (b), Zn_0.50Cd_0.50S (c), Zn_0.25Cd_0.75S (d), and CdS (e)