LUMINESCENCE BEHAVIOR OF CADMIUM, LEAD, ZINC, COPPER, NICKEL AND LANTHANIDE COMPLEXES OF OCTADENTATE MACROCYCLIC LIGANDS BEARING NAPHTHYL CHROMOPHORES

被引：121

作者：

PARKER, D

WILLIAMS, JAG

机构：

[1] Department of Chemistry, University of Durham, Durham DH1 3LE, South Road

来源：

JOURNAL OF THE CHEMICAL SOCIETY-PERKIN TRANSACTIONS 2 | 1995年 / 07期

关键词：

D O I：

10.1039/p29950001305

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

The luminescence behaviour of two macrocyclic ligands incorporating naphthyl fluorophores has been studied in water and acetonitrile. The ligands 1,4,7-tris(methylcarbamoylmethyl)- 10-(2-naphthylmethylcarbamoylmethyl)-1 ,4,7,10-tetraazacyclododecane, 1 and 1,4,7,10-tetrakis(2-naphthylmethylcarbamoyl-methyl)-1,4,7,10 tetraazacyclododecane, 2, exhibit distinctive luminescence behaviour in the presence of quenching (e.g., Pb-II, Cu-II and Ni-II) and non-quenching ions (e.g., Cd-II and Zn-II). The protonated tetranaphthyl ligand forms a well-defined excimer in which excimer emission is a sensitive probe of solvent polarity. The naphthyl group serves as an antenna for energy transfer to the-phosphorescent bound europium ion and amide N-H coupling provides a significant deactivation mechanism for the excited Eu D-5(0) state.

引用

页码：1305 / 1314

页数：10

共 32 条

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