期刊
INORGANICA CHIMICA ACTA
卷 362, 期 6, 页码 2001-2005出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.ica.2008.09.033
关键词
Neodymium complex; Crystal structure; Judd-Ofelt theory; Optical property; Emission cross-section
资金
- National Natural Science Foundation of China [60578039]
- The Program for Tackling Key Industrial Problems of Shaanxi Province [2007K06-06]
- Postdoctoral Science Foundation of China [20070421134]
A novel neodymium pentafluoropropionate binuclear complex, Nd(C2F5COO)(3)Dipy (Dipy: 2,2'-dipyridyl), was synthesized and characterized by single-crystal X-ray diffraction. At a concentration of 0.2 M in DMSO-d(6), the Judd-Ofelt parameters (Omega(2), Omega(4), Omega(6)) were calculated from the UV-Vis spectrum. According to the small value of Omega(2) and the zero splitting energy of F-4/(3/2) level, a symmetric ligand field of the complex was confirmed in DMSO-d(6). Strong emission of the complex in DMSO-d(6) at 1057 nm with a decay time about 1.3 mu s were detected when excited at 800 nm pumped by a laser diode. The stimulated emission cross-section of F-4(3/2) -> I-4(11/2) fluorescence transition was 2.36 x 10 (20) cm(2) and comparable with some laser glasses, which indicated good radiative properties of this neodymium pentafluoropropionate binuclear complex in liquid matrix. (c) 2008 Elsevier B.V. All rights reserved.
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