Synthesis, characterization and fluorescence of lanthanide Schiff-base complexes

被引：47

作者：

Yan, Pengfei ^{[1
]}

Sun, Wenbin ^{[1
]}

Li, Guangming ^{[1
]}

Nie, Chunhong ^{[1
]}

Gao, Ting ^{[1
]}

Yue, Zhengyu ^{[1
]}

机构：

[1] Heilongjiang Univ, Sch Chem & Mat Sci, Harbin 150080, Peoples R China

来源：

JOURNAL OF COORDINATION CHEMISTRY | 2007年 / 60卷 / 18期

关键词：

synthesis; characterization; Schiff base; lanthanide complexes; fluorescence;

D O I：

10.1080/00958970701217602

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

Six new lanthanide Schiff- base complexes were synthesized by reactions of hydrated lanthanide nitrates with H2L (H2L N,N'-bis(salicylidene)-1,2-cyclohexanediamine) and characterized by elemental analysis, DTA - TG, IR, UV and luminescence spectra. The microanalyses and spectroscopic analyses indicate a 1D polymeric structure with the formula of [Ln(H2L)(NO3)(3)(MeOH)(2)](n) [Ln=La (1), Ce (2), Pr (3), Sm (4), Gd (5) & Dy (6)]. The fluorescence spectrum of complex 4 exhibited Sm3+ centered, Schiff- base sensitized orange fluorescence, indicating that energy levels of the triplet state of H2L match closely to the lowest excited state ((4)G(5/2)) of Sm3+ ion.

引用

页码：1973 / 1982

页数：10

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