Colorimetric and fluorometric pH sensor based on bis(methoxycarbonyl)ethenyl functionalized BODIPY

被引：26
|
作者：
Teknikel, Efdal [1 ]
Unaleroglu, Canan [1 ]
机构：
[1] Hacettepe Univ, Dept Chem, TR-06800 Ankara, Turkey
来源：
DYES AND PIGMENTS | 2015年 / 120卷
关键词：
pH sensor; Colorimetric sensor; Fluorometric sensor; BODIPY; Knoevenagel condensation; Ester; INDUCED EMISSION ENHANCEMENT; BORON-DIPYRROMETHENE DYES; PHOTOPHYSICAL PROPERTIES; RATIONAL DESIGN; METAL-ION; FLUORESCENCE; AGGREGATION; WATER; PROBES; DERIVATIVES;
D O I：
10.1016/j.dyepig.2015.04.021
中图分类号：
O69 [应用化学];
学科分类号：
081704 ;
摘要：
We report a difluoroboradiaza-s-indacene (BODIPY) dye substituted with bis(methoxycarbonyl)ethenyl at 3 and 5 positions as a near-IR colorimetric and fluorometric "on-off' pH sensor. The sensor absorbs and emits light at ca. 600 nm with high absorbance and fluorescence intensities (log(epsilon) = 5.0, phi f = 0.77 in ethanol) and basification causes dramatic changes on these optical properties. The sensor reversibly responses to pH changes between 7.0 and 10.0 in ethanol/water and can easily be synthesized from 1,9-diformyldipyrromethane with a one pot procedure. (C) 2015 Elsevier Ltd. All rights reserved.
引用
收藏
页码：239 / 244
页数：6
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