Table 2: Absorption, fluorescence profiles of porphyrins (1-7).

Compound λ max (nm) ε x10-5 M-1.cm-1 Fluorescence λ max (nm) Fluorescence quantum yield ϕF
1 409 1.15 652 0.6095
2 407 3.07 653 0.6095
3 415 2.00 652 0.5908
4 413 2.73 653 0.4695
5 415 1.57 655 0.5950
6 417 1.15 651 0.5998
7 415 1.14 651 0.5997