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

页码：243 / 247

页数：5

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