Figure 4
UV–Vis spectrum of Dm(6–4)PL. (a) UV–Vis spectrum of Dm(6–4)PL in solution before (black plot) and after (blue plot) illumination with a 455 nm LED light. (b) UV–Vis spectrum of Dm(6–4)PL in crystalline form before (black plot) and during (blue plot) illumination with a 455 nm LED light. The measurements were performed at room temperature. |