Sensitization of europium(III) luminescence in water with β-diketone-poly(ethylene glycol) macroligand

被引：6
|
作者：
Zhang XuePeng [1 ]
Zhang GuoQing [1 ]
机构：
[1] Univ Sci & Technol China, Dept Polymer Sci & Engn, CAS Key Lab Soft Matter Chem, Hefei 230026, Peoples R China
来源：
SCIENCE CHINA-CHEMISTRY | 2014年 / 57卷 / 02期
基金：
中国国家自然科学基金;
关键词：
europium luminescence; macroligand sensitisation; pH sensor; aqueous environment; ROOM-TEMPERATURE PHOSPHORESCENCE; TIME-RESOLVED FLUOROIMMUNOASSAY; COMPLEXES; FLUORESCENCE; COORDINATION; ASSEMBLIES; SENSORS; SAMPLES; IONS;
D O I：
10.1007/s11426-013-5030-6
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Poly(ethylene glycol)-modified beta-diketone macroligand is developed to sensitize europium(III) ions in water. High luminescence intensity characteristic of Eu3+ was achieved due to spontaneous formation of micelle-like structure in which the hydrophobic core prevents luminescence-quenching by water molecules. The pH is found to induce a quantitative ratio change in two fluorescence bands from both ligand and Eu3+.
引用
收藏
页码：243 / 247
页数：5
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