合成并用元素分析、红外光谱法表征了一种4,4′-二甲基-2,2′-联吡啶五氟丙酸钕配合物—Nd(C2F5COO)3·Dmbp (Dmbp: 4,4′-二甲基-2,2′-联吡啶).将该配合物溶解在N,N-二甲基甲酰胺中获得了液体介质,依据液体介质的吸收和荧光光谱,通过Judd-Ofelt理论计算获得了钕离子的谱线强度参数(Ω2, Ω4 ,Ω6)和受激发射截面.计算得到该配合物中钕离子4F3/2→4I11/2跃迁的受激发射截面为5.2×10－20 cm2,表明该钕配合物在液体基质中具有较好的发光特性.通过荧光发射光谱分析可知,Nd(C2F5COO)3·Dmbp将是一种有前途的光学增益材料.

A novel neodymium pentafluoropropionate complex, Nd(C2F5COO)3·Dmbp (Dmbp: 4,4′-dimethyl-2,2′-bipyridine), was synthesized and characterized by elemental analysis, Fourier transform infrared spectra. The optical porperties of the liquid medium which was abtained by dissolving Nd(C2F5COO)3·Dmbp in N,N-dimethylformamide was investigated. Based on absorption and luminescence spectra of Nd(C2F5COO)3·Dmbp in DMF, as well as Judd-Ofelt theory, the three intensity parameters Ωt(t=2,4,6) and emission cross-section were calculated and analyzed The emission cross-section of 4F3/2→4I11/2 fluorescence transition of Nd3+ion was 5.2×10－20cm2, and comparable with some laser glasses, which indicated good radiative properties of this neodymium complex in liquid matrix. According to the photoluminescence spectra, Nd(C2F5COO)3·Dmbp complex will be a promising material for optical gain material in the future.