Figure 3

Absorption spectra of sensitizers WS-37, WS-38 and WS-51 and reference dye WS-2 in mixed solution (CHCl3:CH3OH, v/v = 4:1
, a) and on 3 μmTiO2 films (b).
Absorption spectra of sensitizers WS-37, WS-38 and WS-51 and reference dye WS-2 in mixed solution (CHCl3:CH3OH, v/v = 4:1
, a) and on 3 μmTiO2 films (b).