Figure 3From: A composite CdS thin film/TiO2 nanotube structure by ultrafast successive electrochemical deposition toward photovoltaic applicationRapid growth of CdS into TiO 2 NTAs. (a-d) SEM image (top view) of CdS-coated TiO2 NTAs under different reaction times: (a) t = 1 s, (b) t = 60 s, (c) t = 75 s, (d) t = 90 s, (e) t = 600 s, and (f) t = 1,800 s. (g) Growth curve of CdS content based on EDX data versus different reaction times.Back to article page