Table 2. Photophysical Properties of Compound 6 and OE19^a.

^aAll of the experiments were performed at room temperature.

^bΦ_Δ, Φ_f, and λ_em. max. were measured in DMSO. The reference for the ¹O₂ quantum yield was rose bengal (Φ_Δ = 0.76), and rhodamine B (Φ_f = 0.5) was the reference for the fluorescence quantum yield.³²

^cDetermined in PBS.²⁶

^dDetermined in PBS with 100 μg/mL BSA.