Enhanced fluorescence of Tb-Y-BPMPHD-CTMAB system and its analytical application

被引：8
|
作者：
Yang, JH
Ma, QL
Jie, NQ
Si, ZK
Ren, XZ
Hu, JT
机构：
[1] Department of Chemistry, Shandong University, Jinan 250100, Shandong
来源：
JOURNAL OF LUMINESCENCE | 1996年 / 69卷 / 01期
关键词：
terbium; fluorescence enhancement; fluorimetry;
D O I：
10.1016/0022-2313(96)00066-X
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
It has been found that the Tb-BPMPHD-CTMAB ion association system shows a strong fluorescence intensity. In this system Y3+ exerts an evident fluorescence enhancement effect. The formation conditions of the system and the factors affecting the enhancement effect were studied in detail. Under optimum conditions a linear relationship was obtained between the fluorescence intensity and the Tb3+ concentration in the range of 5.0 x 10(-8)-1.2 x 10(-6) mol/l. The detection limit of Tb3+ was 2.7 x 10(-9) mol/l. The luminescence mechanism was discussed.
引用
收藏
页码：57 / 64
页数：8
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