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The phosphorescence of BODIPY dyes was observed directly in glassy solvent matrix at 78K. The phosphorescence occurred when Br substituents are present on the BODIPY core and the solvent temperature is lower than the freezing point. The phosphorescence quantum yield (Φ p ) and lifetime (τ p ) were measured. The substitution effect of Br atoms on the phosphorescence properties of 8-phenyl-BODIPY...
The green emission accompanied with intense red phosphorescence is observed from the tris(8-hydroxyquinoline) aluminum (Alq3) in the heavily doped tris(2-phenylpyridine) iridium [Ir(ppy)3] films. This photoluminescence (PL) emission mechanism is studied by the PL excitation (PLE) spectra for the red and green emissions. From the PLE spectrum for the red emission, the energy transfer from Ir(ppy)3...
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