Fig. 6From: Ag2S/CdS/TiO2 Nanotube Array Films with High Photocurrent Density by Spotting Sample Method A The UV-vis absorption spectra of array films of TNTs (a), CdS/TNTs (b), Ag2S/TNTs (c), Ag2S/CdS/TNTs by SSM (d), and Ag2S/CdS/TNTs via SILAR (e). B The UV-vis absorbance of the Ag2S/CdS/TNTs by SSM with different deposition cycles of CdS and TiO2 Back to article page