Change of Dye Bath for Sensitisation of Nanocrystalline TiO_𝟐 Films: Enhances Performance of Dye-Sensitized Solar Cells

Figure 2

Equimolar electronic absorption spectra of 4,4′-bis(2,4,6-trimethylstyryl)-2,2′-bipyridine (L1) and 4,4′-dimesityl-2,2′-bipyridine (L2) in CHCl₃; (b) the absorption spectra of HRD2 in DMF; (c) normalized absorption spectra of HRD2 and H102 complexes in DMF.

(a)

(b)

(c)