Table 3.

Fluorescence Spectral Properties of Bacteriochlorins ^a.

Compound	λQy (Δ b) (nm)	fwhm (Δ b) (nm)	Δν (cm−1) c	Φf d
iso-B2	764	20	70	0.11
iso-B2-T2	766 (+2)	25 (+5)	120	0.15
B2 e	764	21	60	0.14
B2-T2	747 (−17)	27 (+6)	140	0.15
B1 f	723	14	40	0.10
B1-T2	729 (+6)	18 (+4)	60	0.12
B3	757	18	50	0.12
B3-T2	761 (+3)	18 (0)	35	0.16
B3-P2T2	757 (0)	34 (+16)	250	0.15

^a In toluene at room temperature; ^b Shift compared to the corresponding benchmark bacteriochlorin lacking meso-aryl substituents; ^c Stokes shift; ^d Fluorescence quantum yield; ^e [53]; ^f [36].