2,5-disubstituted oxazole research: fluorescence quantum yields and laser conversion efficiencies of 2-(p-italic-biphenyl)-5-phenyl oxazole and its 5-p-italic-substituted derivatives

The fluorescence quantum yield and laser conversion efficiency of 2-(p-italic-biphenyl)-5-phenyl-oxazole and thirteen 5-substituted phenyl derivatives are measured. A brief discussion is also given on the relation between the subtituent effects and spectral properties of the compounds.