Figure 5
From: Hollow ZnxCd1−xS nanospheres with enhanced photocatalytic activity under visible light

(a) Absorption spectra of dye solution after irradiation under visible-light for different time with the presence of Zn0.2Cd0.8S hollow spheres; (b) C/C0 versus time curves of dye solution under visible-light irradiation with different photocatalysts; (c) C/C0 versus time curves of dye solution under visible-light irradiation with hollow Zn0.2Cd0.8S spheres and solid Zn0.2Cd0.8S spheres samples as photocatalysts; (d) Three cycles using hollow Zn0.2Cd0.8S spheres photocatalyst under visible-light irradiation for 50 min.