Research Article
A Study of the Electronic Absorption and Emission Spectra of DBDMA Dye: Solvent Effect, Energy Transfer, and Fluorescence Quenching
Figure 11
Fluorescence spectra of 1 × 10−5 mol dm−3 DBDMA in ethanol; increase in Cu2+ results in a decrease in emission intensity at 0.0, 4 × 10−7, 1 × 10−6, 4 × 10−6, 6 × 10−6, 8 × 10−6, and 1.6 × 10−5 M λex = 512 nm.