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. 2022 Jan 26;7(5):3963–3977. doi: 10.1021/acsomega.1c04598

Table 4. Summary of the Maximum Theoretical λmax and Experimental λmaxExp Absorption Wavelength, Excitation Energy Eexc, Oscillator Strength fosc, Contribution of the Most Probable Transition, and the Light-Harvesting Efficiency (LHE) of the Studied Compounds.

molecule λmax (nm) λmaxExp (nm) Eexc (eV) fosc composition LHE
toluene            
BDP-Is 508.196 506 2.440 0.654 H → L+3 (98%) 0.778
BDP-Pyr 503.564 505 2.462 0.652 H → L+3 (97%) 0.776
B2-Is 599.410 591 2.068 0.821 H → L+3 (97%) 0.856
B2-Pyr 596.508 589 2.078 0.848 H → L+3 (98%) 0.853
methanol            
BDP-Is 499.775   2.481 0.602 H → L+3 (97%) 0.751
BDP-Pyr 495.159   2.505 0.606 H → L+3 (98%) 0.753
B2-Is 594.200   2.087 0.782 H → L+3 (97%) 0.824
B2-Pyr 590.170   2.101 0.780 H → L+2 (98%) 0.823