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测试了2—联苯基—5—苯基噁唑和13种5—对位取代苯基衍生物的荧光量子产率和激光转换效率,发现其中的十一种化合物作为近紫外区的激光染料使用,比2,5—二苯基噁唑(PPO)要好,并就取代基效应和光谱性质之间的关系进行了初步探讨。
The fluorescence quantum yield and laser conversion efficiency of 2-biphenyl-5-phenyloxazole and 13 kinds of 5-para-substituted phenyl derivatives were tested and eleven compounds were found to be laser dyes in the near ultraviolet region It is better than 2,5-diphenyloxazole (PPO), and the relationship between substituent effect and spectral properties is discussed.