Detection of Hg2+ ion in aqueous media by new fluorometric and colorimetric sensor based on triazole-rhodamine

被引：43

作者：

Erdemir, Serkan ^{[1
]}

Kocyigit, Ozcan ^{[1
]}

Malkondu, Sait ^{[1
]}

机构：

[1] Selcuk Univ, Fac Sci, Dept Chem, TR-42031 Konya, Turkey

来源：

JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY A-CHEMISTRY | 2015年 / 309卷

关键词：

Fluorometric; Colorimetric; Turn on; Triazole; Rhodamine; FLUORESCENT SENSOR; TURN-ON; SELECTIVE FLUORESCENT; RATIOMETRIC DETECTION; CHEMOSENSOR; MERCURY; CHEMODOSIMETERS; DERIVATIVES; CONJUGATE; ACID;

D O I：

10.1016/j.jphotochem.2015.04.017

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

A highly efficient and selective rhodamine B sensor bearing triazole unit (RHT) as the metal ion receptor was designed and synthesized. RHT was characterized by H-1 NMR, C-13 NMR, APT COSY, FTIR, elemental analysis, and also its binding selectivity toward various metal ions was studied. Fluorescence enhancement by factors 24 times was achieved upon selective interaction with Hg2+ ion over other metal ions in aqueous solutions. Selective fluorescent enhancement of RHT was attributed to ring opening from the spirolactam (nonfluorescent) to ring-opened amide (fluorescent). Also, distinct color changes from colorless to pink provided "naked eye" detection of Hg2+. (C) 2015 Elsevier B.V. All rights reserved.

引用

页码：15 / 21

页数：7

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