Abstract
3-(3,4-Dimethoxyphenyl)-1-(2,5-dimethylfuran-3-yl)prop-2-en-1-one (DDFP) was prepared by the reaction of 3-acetyl-2,5-dimethylfuran and 3,4-dimethoxybenzaldehyde. Data obtained from FT-IR, H-1-NMR, C-13-NMR, EIMS, and elemental analysis were consistent with the chemical structure of the newly prepared DDFP. Electronic absorption and emission spectrum of DDFP have been measured in different solvents. DDFP dye exhibits red shift in emission spectrum as solvent polarity increases, indicating a large change in dipole moment of DDFP molecule upon excitation due to intramolecular charge transfer in excited DDFP. Excited state intermolecular hydrogen bonding affects the energy of emission spectrum and fluorescence quantum yield of DDFP molecule. DDFP dye undergoes solubilization in different micelles and may be used as a probe or quencher to determine the critical micelle concentration (CMC) of CTAB and SDS. The pho to reactivity and net photochemical quantum yield (phi(c)) of DDFP are determined in solvents CHCl3, CH2Cl2, CCl4, and DMSO. The dye is relatively photostable in DMSO and displays photodecomposition in chloromethane solvents.