Fig. 6
The UV-vis absorption spectra of naked MoS2 (a) and MoS2/ZnO (3:10) (b) heterostructures before light irradiation. c The comparison absorbance of all the samples and the corresponding absorbance percentage of RhB dyes: (a) blank RhB, (b) pure ZnO, (c) MoS2 before annealing, (d) MoS2 after annealing, (e) MoS2/ZnO (3:2), (f) MoS2/ZnO (3:4), (g) MoS2/ZnO (3:6), (h) MoS2/ZnO (3:10), and (i) MoS2/ZnO (3:20)