Figure 10From: CdS nanoparticles sensitization of Al-doped ZnO nanorod array thin film with hydrogen treatment as an ITO/FTO-free photoanode for solar water splittingSEM image and UV–VIS spectra of AZO(H)-CdS (3) before and after annealing at 300°C for 0.5 h. (a) SEM image of AZO(H)-CdS (3) after annealing at 300°C for 0.5 h. The inset shows the color of thin film. (b) UV–VIS spectra of AZO(H)-CdS (3) before and after annealing at 300°C for 0.5 h.Back to article page