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配合物Ｅｕ（ｐ－ＰＢＡ）３ｐｈｅｎ１／２Ｈ２Ｏ（ｐ－ＰＢＡ：对苯基苯甲酸酸根离子；ｐｈｅｎ：邻菲咯啉）在紫外光激发下，能发出很强的红色荧光．以Ｅｕ（Ⅲ）离子为光谱探针，７７Ｋ下测得其高分辨激发和发射光谱，选择激发配合物的５Ｄ０能级，得到两组不同的发光光谱，表明配合物中Ｅｕ（Ⅲ）离子有两种不同的化学环境．配合物的喇曼光谱中，羧基阴离子的反对称伸缩振动和对称伸缩振动谱带是明显分裂和带肩峰的宽带，说明配合物中羧基同时存在多种配位方式
The complex Eu (p-PBA) 3phen1 / 2H2O (p-PBA: p-phenylbenzoate ion; phen: phenanthroline) emits a strong red fluorescence under UV excitation. Eu (Ⅲ) ion was used as a spectral probe and its high-resolution excitation and emission spectra were measured at 77K. The 5D0 energy level of the complex was selected to excite two different groups of luminescence spectra, indicating that Eu (Ⅲ) ions Two different chemical environments. In the Raman spectrum of the complex, the antisymmetric stretching vibration and the symmetrical stretching vibration band of the carboxyl anion are obviously split and broad bands with acromion, indicating that there are many coordination modes for the carboxyl groups in the complex