Figure 6

Energy diagram and dark current. (a) Energy diagram of Ag2S-sensitized ZnO/TNT solar cells and (b) the dark current of the Ag2S(4)/ZnO/TNT and Ag2S(4)/TNT electrodes.
Energy diagram and dark current. (a) Energy diagram of Ag2S-sensitized ZnO/TNT solar cells and (b) the dark current of the Ag2S(4)/ZnO/TNT and Ag2S(4)/TNT electrodes.