Synthesis and photoluminescence properties of novel lanthanide complexes based on pyrazolone Schiff bases

被引:18
|
作者
Listkowski, Arkadiusz [1 ,2 ]
Osinska, Wioleta [2 ]
Mohanraj, John [3 ]
Pietraszkiewicz, Marek [1 ]
Dutkiewicz, Grzegorz [4 ]
Borowiak, Teresa [4 ]
机构
[1] Polish Acad Sci, Inst Phys Chem, PL-01224 Warsaw, Poland
[2] Cardinal Stefan Wyszynski Univ, Fac Math & Nat Sci, PL-01815 Warsaw, Poland
[3] ISOF CNR, I-40129 Bologna, Italy
[4] Adam Mickiewicz Univ, Fac Chem, Dept Crystallog, PL-60780 Poznan, Poland
关键词
Pyrazolones; Luminescent lanthanide complexes; Schiff bases; Photoluminescence; CRYSTAL-STRUCTURE; LUMINESCENCE PROPERTIES; LIGANDS; LEVEL;
D O I
10.1016/j.synthmet.2012.04.035
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
Synthesis and spectroscopic characterization of novel lanthanide complexes, based on tripodal ligands prepared by reaction of 3-aryl/heteroaryl-4-benzoyl-1-phenyl-5-pyrazolone (where aryl/heteroaryl = phenyl, 2-pirydyl or 2-thienyl) with tris(2-aminoethyl)amine (TREN) are reported. All of the new Schiff base-type ligands have relatively high located triplet energy levels in comparison with their simple beta-diketonate analogues. All of them were used as "antennas" for the ligand-sensitized photoluminescence of Tb3+ ion and in two cases (aryl/heteroaryl = phenyl and 2-pirydyl) characteristic green photoluminescence was detected. (c) 2012 Elsevier B.V. All rights reserved.
引用
收藏
页码:1285 / 1291
页数:7
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