Nanoporous ZnO Photoelectrode for Dye-Sensitized Solar Cell

Figure 2

(a) Absorbance. (b) Transmittance spectrum of ZnO nanoporous and macroporous structures at room temperature. (c) Absorption coefficient and energy plot for ZnO nanoporous. (d) Absorption coefficient and energy plot for ZnO macroporous.

(a)

(b)

(c)

(d)