Highly Sensitive Ratiometric Chemosensor for Selective 'Naked-Eye' Nanomolar Detection of Co2+ in Semi-Aqueous Media

被引：30

作者：

Patil, Smita ^{[1
]}

Fegade, Umesh ^{[1
]}

Sahoo, Suban K. ^{[2
]}

Singh, Amanpreet ^{[4
]}

Marek, Jaromir ^{[3
]}

Singh, Narinder ^{[4
]}

Bendre, Ratnamala ^{[1
]}

Kuwar, Anil ^{[1
]}

机构：

[1] North Maharashtra Univ, Sch Chem Sci, Jalgaon 425001, MS, India

[2] SV Natl Inst Technol, Dept Appl Chem, Surat, Gujarat, India

[3] Masaryk Univ, Cent European Inst Technol, Brno 562500, Czech Republic

[4] Indian Inst Technol, Dept Chem, Rupanagar, Punjab, India

来源：

CHEMPHYSCHEM | 2014年 / 15卷 / 11期

关键词：

analytical chemistry; aqueous media; chemosensors; cobalt; nanomolar detection; FLUORESCENT SENSORS; RECOGNITION; COBALT; METALS; ION;

D O I：

10.1002/cphc.201402076

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：

An easy-to-prepare chemosensor, (E)-1-(phthalazine-4-yl)-2-(1-(pyridine-2-yl)ethylidene) hydrazine (3), structurally characterized by single X-ray crystallography, is developed for the selective and sensitive detection of Co2+ in aqueous media. Chemosensor 3 shows both absorption and fluorescence responses to Co2+ by forming a 1: 1 complex (among the surveyed metal ions) with a detection limit down to 50 nm. It can also be used as a 'naked-eye' sensor due to the outstanding visible and emission color changes from yellow to red and blue to orange, respectively.

引用

页码：2230 / 2235

页数：6

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