Figure 3From: Improving the efficiency of cadmium sulfide-sensitized titanium dioxide/indium tin oxide glass photoelectrodes using silver sulfide as an energy barrier layer and a light absorberSEM images and EDX spectra of electrodes. Cross-sectional SEM images of (a) TiO2/ITO, (b) Ag2S/TiO2/ITO, and (c) CdS(1)/Ag2S/TiO2/ITO electrodes and (d) EDX spectra of the CdS(4)/Ag2S/TiO2/ITO electrode.Back to article page