Abstract
We propose the synthesis and characterization of organo-metallic magnesium-based quinoline Mgq2 (where Mg = Magnesium, q = 8-hydroxyquinoline) phosphor using three different solvents viz. Acetic Acid (AA), Formic Acid (FA) and Dichloromethane (DCM) by precipitation technique. These complexes were analyzed for UV-visible absorption spectra, Photoluminescence (PL) spectra, CIE chromaticity diagram and Fourier transform infrared (FTIR) spectroscopy. Amongst all the synthesized complexes, the maximum intensity was found at 10−4 M [Mgq2:DCM˃Mgq2:FA˃ Mgq2:AA]. The emission wavelength of Mgq2 in DCM, AA and FA peaked at 488, 490 and 492, respectively which falls in the bluish-green segment of the visible range. These pigments were used to formulate luminous paints with Epoxy (E) and Urea Formaldehyde (UF) resins with toluene as solvent and glass slide as substrate. Painted panels, when evaluated through PL spectra delineated bluish-green emission that lie between 470 – 506 nm. Maximum emission wavelength was reported for F U 3: 7(506 nm) while the maximum intensity was reported for A U 9: 1 at 480 nm. The credibility of painted panels was evaluated through tack-free, hard-dry tests, water and chemical resistance tests, and adhesion tests. These results portray the potential of Mgq2 luminous paints for artistic, architectural and interior decoration of walls and ceilings.
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