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Structure and photoluminescence properties study of neodymium complexes containing fluorine ligands
Journal of Fluorine Chemistry ( IF 1.9 ) Pub Date : 2018-03-30 , DOI: 10.1016/j.jfluchem.2018.03.015
Qiang Liu , Shuai Zhang , Kai Du , Wa Li , Qiang Yin , Pei-jun Cai

Two neodymium(III) fluorou ternary complexes, [Nd(C5H2F6O2)3(C18H15OP)2] (C5H2F6O2 = hexafluoroacetylacetone, C18H15OP = triphenylphosphine oxide) (1) and [Nd(C5H2F6O2)3(C12H24N3O4P)2] (C5H2F6O2 = hexafluoroacetylacetone, C12H24N3O4P) = tri(4-morphollno) phosphine oxide) (2) have been synthesized by mild condition. The single crystals suitable for X-ray measurement were obtained and the structures of the two complexes were determined by X-ray diffraction in solid states. Single crystal analysis revealed that the two complexes were both eight-coordinated with one central Nd ion and eight O atoms from ligands. They were crystallized in monoclinic symmetry with P21/c and monoclinic symmetry C2/c space group, respectively. The complexes were characterized by IR-spectroscopy, thermogravimetric, elemental analyses and fluorescent. In fluorescence spectra, the two complexes both exhibit characteristic neodymium-centered emission.



中文翻译:

含氟配体的钕配合物的结构和光致发光性能研究

两种钕(III)氟三元络合物,[Nd(C 5 H 2 F 6 O 23(C 18 H 15 OP)2 ](C 5 H 2 F 6 O 2 =六氟乙酰丙酮,C 18 H 15 OP =三苯基膦氧化物)(1)和[Nd(C 5 H 2 F 6 O 23(C 12 H 24 N 3 O 4 P)2 ](C通过温和的条件合成了5 H 2 F 6 O 2=六氟乙酰丙酮,C 12 H 24 N 3 O 4 P)=三(4-吗啉代)氧化膦(2)。获得了适合于X射线测量的单晶,并且通过固态的X射线衍射确定了两种络合物的结构。单晶分析表明,这两个配合物都与一个中心的Nd离子和来自配体的八个O原子八配位。它们与P2 1单斜对称结晶/ c和单斜对称C2 / c空间群。通过红外光谱,热重分析,元素分析和荧光对复合物进行表征。在荧光光谱中,这两种配合物均表现出以钕为中心的特征发射。

更新日期:2018-03-30
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