Theoretical Study of the π-Bridge Influence with Different Units of Thiophene and Thiazole in Coumarin Dye-Sensitized Solar Cells

Figure 5

Chemical hardness, electrophilicity index, and electroaccepting power of coumarin dyes using the M06 functional with the basis sets: (a) 6-31G(d) and (b) 6-311G(d).

(a)

(b)