Enhancing Performance of SnO₂-Based Dye-Sensitized Solar Cells Using ZnO Passivation Layer

Figure 6

(a) UV-visible absorption spectra of indoline D358 dye in 1 : 1 volume ratio of acetonitrile/tert-butyl alcohol (solid line) and system consists of dye/ZnO/SnO₂ film on the FTO substrate (dotted line) and (b) disrobed dye solution from 1 cm × 1 cm films.

(a)

(b)