LUMINESCENCE PROPERTIES OF CRYPTATE EUROPIUM(III) COMPLEXES INCORPORATING HETEROCYCLIC N-OXIDE GROUPS

被引：61

作者：

PRODI, L ^{[1
]}

MAESTRI, M ^{[1
]}

BALZANI, V ^{[1
]}

LEHN, JM ^{[1
]}

ROTH, C ^{[1
]}

机构：

[1] UNIV STRASBOURG 1,INST LE BEL,F-67070 STRASBOURG,FRANCE

来源：

CHEMICAL PHYSICS LETTERS | 1991年 / 180卷 / 1-2期

关键词：

D O I：

10.1016/0009-2614(91)87114-Q

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

The luminescence spectra, lifetimes, and quantum yields of the cryptate-type complexes [Eu subset-of 1]3+ and [Eu subset-of 2]3+, where 1 and 2 are cryptand-type ligands containing two 2,2'-bipyridine (bpy) and one 2,2'-bipyridine-1,1'-dioxide (bpyO2) units (1) or two bpy and one 3,3'-biisoquinoline-2,2'-dioxide (biqO2) units (2), have been measured in H2O and D2O at 77 and 300 K. The luminescence quantum yield upon excitation in the ligand-centered bands is much higher than that exhibited by the previously investigated [Eu subset-of bpy.bpy.bpy]3+ cryptate. The role played by various radiative and non-radiative paths is discussed.

引用

页码：45 / 50

页数：6

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