Abstract
A novel binuclear neodymium complex Nd(CF3COO)3·(Ph3PO)2 (Ph3PO: triphenylphosphine oxide) with high stimulated emission cross-section was presented. The molecular structure of the complex was characterized by single-crystal X-ray diffraction. The optical properties of the complex in liquid medium were studied. From the absorption and luminescence spectra, the Judd–Ofelt parameters of Nd(CF3COO)3·(Ph3PO)2 in phosphorus oxychloride were obtained. Based on the crystal structure, the effects of crystal field and bonding valence properties on three intensity parameters Ωt(t=2, 4, 6) and emission cross-section were analyzed in detail. The emission cross-section of 4F3/2→4I11/2 fluorescence transition (2.78×10−20cm2) of the new neodymium compound was higher than those of other Nd(III) complexes and even comparable with some laser glasses.
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