摘要
合成了四种结构类型的苯并恶唑化合物共15个:测试了它们的红外吸收光谱,以及它们在DMF中的紫外吸收、荧光发射和激光发射光谱。苯基取代物的荧光量子产率在0.64～0.66,无激光性能。其余的化合物荧光量子产率都大于0.70,在最大吸收波长下的激光转换效率为2.5～5.9%。
Fifteen benzoxazole compounds of four structure types, as follows, were synthesized: R=H, Me, Cl, PhTheir IR absorption spectra, UV absorption, fluorescence and laser emission spectra in DMF were measured. Except the phenyl substituted derivatives, the fluoresnce quantum yields are all over 0.70, and their laser conversion efficiencies at the maximum laser emission wavelength are 2.5～5.9%, and the fluorescence quantum yields of the phenyl substitutes, which showed no laser action, are 0.64～0.66.
关键词
苯并恶唑
合成
化合物
物理性
benzoxazole
fluorescence quantum yield
laser conversion efficiency
