Experimental values of fluorescence quantum yield, phosphorescence quantum yield, and phosphorescence lifetime were acquired at temperatures from 23° to –180°C for the protonated form of benzo(f)quinoline adsorbed on filter paper. From the experimental values, triplet
formation efficiencies, rate constants for phosphorescence, and rate constants for the radiationless transition from the triplet state were calculated. The results showed the various interrelationships of the solid-surface radiative and nonradiative processes. In addition, the results indicated
that the modulus of the solid matrix is an important factor in enhancing phosphorescence quantum yield.
Chemistry Department, University of Wyoming, Laramie, Wyoming 82071
Publication date: May 1, 1989
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