Anion-Coordination-Induced Turn-On Fluorescence of an Oligourea-Functionalized Tetraphenylethene in a Wide Concentration Range

被引：150

作者：

Zhao, Jie ^{[1
]}

Yang, Dong ^{[1
]}

Zhao, Yanxia ^{[1
]}

Yang, Xiao-Juan ^{[1
]}

Wang, Yao-Yu ^{[1
]}

Wu, Biao ^{[1
,2
]}

机构：

[1] NW Univ Xian, Coll Chem & Mat Sci, Minist Educ, Key Lab Synthet & Nat Funct Mol Chem, Xian 710069, Peoples R China

[2] Lanzhou Univ, Coll Chem & Chem Engn, State Key Lab Appl Organ Chem, Lanzhou 730000, Peoples R China

来源：

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION | 2014年 / 53卷 / 26期

基金：

中国国家自然科学基金;

关键词：

anion coordination; fluorescence turn-on; oligourea; phosphate; tetraphenylethene; AGGREGATION-INDUCED EMISSION; SOLID-STATE; CARBOXYLATE; RECEPTORS; COMPLEX; SENSORS; LIGAND;

D O I：

10.1002/anie.201402169

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

A tetrakis(bisurea)-decorated tetraphenylethene (TPE) ligand (L-2) was designed, which, upon coordination with phosphate ions, displays fluorescence "turn-on" over a wide concentration range, from dilute to concentrated solutions and to the solid state. The fluorescence enhancement can be attributed to the restriction of the intramolecular rotation of TPE by anion coordination. The crystal structure of the A(4)L(2) (A=anion) complex of L-2 with monohydrogen phosphate provides direct evidence for the coordination mode of the anion. This "anion-coordination-induced emission" (ACIE) is another approach for fluorescence turn-on in addition to aggregation-induced emission (AIE).

引用

页码：6632 / 6636

页数：5

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