Figure 2From: 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 absorberTop-view SEM images at low and high magnifications. TiO2/ITO (a, b), Ag2S/TiO2/ITO (c, d), and CdS(3)/Ag2S/TiO2/ITO (e, f) electrodes.Back to article page