Figure 2.

Steady-state UV–vis absorption (a) and emission spectra (b) of PDI, Cor-BiPh, and the Cor-Ph-PDI dyad (excited at two different wavelengths) in toluene.

Steady-state UV–vis absorption (a) and emission spectra (b) of PDI, Cor-BiPh, and the Cor-Ph-PDI dyad (excited at two different wavelengths) in toluene.