NEW SENSITIZER-MODIFIED CALIX[4]ARENES ENABLING NEAR-UV EXCITATION OF COMPLEXED LUMINESCENT LANTHANIDE IONS

被引：751

作者：

STEEMERS, FJ

VERBOOM, W

REINHOUDT, DN

VANDERTOL, EB

VERHOEVEN, JW

机构：

[1] UNIV TWENTE,ORGAN CHEM LAB,7500 AE ENSCHEDE,NETHERLANDS

[2] UNIV AMSTERDAM,1018 WS AMSTERDAM,NETHERLANDS

来源：

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY | 1995年 / 117卷 / 37期

关键词：

D O I：

10.1021/ja00142a004

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

The synthesis is described of a series of calix[4]arenes with three different sensitizer chromophores (''antenna'') attached to the lower rim via a short spacer. In the Eu3+ and Tb3+ complexes of these calixarenes, photoexcitation of the antenna can induce lanthanide emission via intramolecular energy transfer. Although the higher energy of the Tb3+ luminescent state makes it more difficult to sensitize than in the case of Eu3+, especially a triphenylene antenna is found to have strong sensitizing ability toward not only Eu3+ but also Tb3+, allowing excitation of the lanthanide with wavelengths extending to 350 nm.

引用

页码：9408 / 9414

页数：7

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