Fig. 3
From: Ag2S/CdS/TiO2 Nanotube Array Films with High Photocurrent Density by Spotting Sample Method

a–i The TEM and HR-TEM images of TNTs (a), CdS/TNTs (b), and Ag2S/CdS/TNTs by SSM (c,d). EDX spectrum (e) of the Ag2S/CdS/TNTs by SSM (the inset is the table of elements content) and the corresponding EDX elemental mapping (f) of the total elemental mapping of major elements (Ti, Cd and Ag).