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以硝酸铽、苯乙酮酸(HL),2,2′-联吡啶(dipy)、1,10-菲口罗啉(phen)和三苯基氧膦(TPPO)合成了TbL3dipy(H2O)2,TbL3phen(H2O)2和TbL2(TPPO)2NO33种新型固态配合物。用元素分析、电导率、红外光谱和核磁共振谱对其进行了表征,确定了配合物的组成。IR表明,配合物中羧酸根可能以单齿方式配位。1HNMR显示,苯乙酮酸根配位后苯环上5个氢原子的化学位移移向高场。室温下测定了配合物的荧光激发光谱,TbL3dipy(H2O)2,TbL3phen(H2O)2和TbL2(TPPO)2NO3最佳激发波长分别为361.0,359.0和367.0 nm;分别以最佳激发波长测定了配合物的发射光谱,配合物TbL3dipy(H2O)2,TbL3phen(H2O)2和TbL2(TPPO)2NO3显示Tb3+离子的特征发射光谱,TbL3dipy(H2O)2和TbL3phen(H2O)2均产生四条谱带,分别归属于5D4-7Fj(j=6,5,4,3)能级跃迁(TbL3dipy(H2O)2:489.0,545.0,584.0,620.0 nm;TbL3phen(H2O)2:490.0,544.0,583.0,620.0 nm);但在相同测定条件下,TbL2(TPPO)2NO3仅显示5D47-F5(544.0 nm)能级跃迁光谱。3种配合物中TbL3dipy(H2O)2发光强度最高。
TbL3dipy (H2O) 2 was synthesized from terbium nitrate, HL, 2,2’-dipy, 1,10-phenanthroline and triphenylphosphine oxide (TPPO) , TbL3phen (H2O) 2 and TbL2 (TPPO) 2NO33 new solid-state complexes. Its composition was characterized by elemental analysis, conductivity, FTIR and nuclear magnetic resonance spectroscopy. IR shows that the carboxylate in the complex may be monodentate coordination. 1HNMR showed that the chemical shifts of five hydrogen atoms on the benzene ring shifted to higher fields after the coordination of the acetophenate. The fluorescence excitation spectra of TbL3dipy (H2O) 2, TbL3phen (H2O) 2 and TbL2 (TPPO) 2NO3 were 361.0, 359.0 and 367.0 nm, respectively. The best excitation wavelength TbL3dipy (H2O) 2, TbL3phen (H2O) 2 and TbL2 (TPPO) 2NO3 show the characteristic emission spectra of Tb3 +, TbL3dipy (H2O) 2 and TbL3phen (H2O) 2, respectively. Attributed to 5D4-7Fj (j = 6,5,4,3) level transition (TbL3dipy (H2O) 2: 489.0,545.0,584.0,620.0 nm; TbL3phen (H2O) 2: 490.0,544.0,583.0,620.0 nm) However, TbL2 (TPPO) 2NO3 showed only 5D47-F5 (544.0 nm) level transition spectra under the same measurement conditions. TbL3dipy (H2O) 2 has the highest luminescence intensity among the three complexes.