A novel turn-on colorimetric and fluorescent sensor for Fe3+and Al3+with solvent-dependent binding properties and its sequential response to carbonate

Liang He; Chang Liu; John Haozhong Xin

doi:10.1016/j.snb.2015.02.060

A novel turn-on colorimetric and fluorescent sensor for Fe³⁺and Al³⁺with solvent-dependent binding properties and its sequential response to carbonate

Liang He, Chang Liu, John Haozhong Xin

Research output: Journal article publication › Journal article › Academic research › peer-review

61 Citations (Scopus)

Abstract

A novel bis-rhodamine derivative BRU was designed and synthesized in a simple way. In aqueous media, BRU could efficiently recognize Fe3+and Al3+among other metal ions with different color appearances through a turn-on colorimetric response. In the presence of Fe3+or Al3+, BRU solution also displayed enhanced fluorescent emission. According to the detection limit, BRU had high recognition sensitivity towards Fe3+and Al3+based on either colorimetric absorbance or fluorescent emission. Interestingly, BRU bound to Fe3+or Al3+with a simple 1:1 mode in CH3OH and a 1:2 mode in CH3OH/H2O, displaying solvent-dependent binding property. In addition, the in situ generated BRU-Fe3+and BRU-Al3+complex exhibited fluorescence turn-off and color disappearance towards carbonate among other anions. These provide a potential application in sequential detection of Fe3+, Al3+and carbonate with naked-eyes.

Original language	English
Pages (from-to)	181-187
Number of pages	7
Journal	Sensors and Actuators, B: Chemical
Volume	213
DOIs	https://doi.org/10.1016/j.snb.2015.02.060
Publication status	Published - 5 Jul 2015

Keywords

Al 3+
Carbonate
Colorimetric sensor
Fe 3+
Fluorescence
Rhodamine

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Instrumentation
Condensed Matter Physics
Surfaces, Coatings and Films
Metals and Alloys
Electrical and Electronic Engineering
Materials Chemistry

More information

10.1016/j.snb.2015.02.060

Cite this

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title = "A novel turn-on colorimetric and fluorescent sensor for Fe3+and Al3+with solvent-dependent binding properties and its sequential response to carbonate",

abstract = "A novel bis-rhodamine derivative BRU was designed and synthesized in a simple way. In aqueous media, BRU could efficiently recognize Fe3+and Al3+among other metal ions with different color appearances through a turn-on colorimetric response. In the presence of Fe3+or Al3+, BRU solution also displayed enhanced fluorescent emission. According to the detection limit, BRU had high recognition sensitivity towards Fe3+and Al3+based on either colorimetric absorbance or fluorescent emission. Interestingly, BRU bound to Fe3+or Al3+with a simple 1:1 mode in CH3OH and a 1:2 mode in CH3OH/H2O, displaying solvent-dependent binding property. In addition, the in situ generated BRU-Fe3+and BRU-Al3+complex exhibited fluorescence turn-off and color disappearance towards carbonate among other anions. These provide a potential application in sequential detection of Fe3+, Al3+and carbonate with naked-eyes.",

keywords = "Al 3+, Carbonate, Colorimetric sensor, Fe 3+, Fluorescence, Rhodamine",

author = "Liang He and Chang Liu and Xin, {John Haozhong}",

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A novel turn-on colorimetric and fluorescent sensor for Fe³⁺and Al³⁺with solvent-dependent binding properties and its sequential response to carbonate. / He, Liang; Liu, Chang; Xin, John Haozhong.

In: Sensors and Actuators, B: Chemical, Vol. 213, 05.07.2015, p. 181-187.

Research output: Journal article publication › Journal article › Academic research › peer-review

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N2 - A novel bis-rhodamine derivative BRU was designed and synthesized in a simple way. In aqueous media, BRU could efficiently recognize Fe3+and Al3+among other metal ions with different color appearances through a turn-on colorimetric response. In the presence of Fe3+or Al3+, BRU solution also displayed enhanced fluorescent emission. According to the detection limit, BRU had high recognition sensitivity towards Fe3+and Al3+based on either colorimetric absorbance or fluorescent emission. Interestingly, BRU bound to Fe3+or Al3+with a simple 1:1 mode in CH3OH and a 1:2 mode in CH3OH/H2O, displaying solvent-dependent binding property. In addition, the in situ generated BRU-Fe3+and BRU-Al3+complex exhibited fluorescence turn-off and color disappearance towards carbonate among other anions. These provide a potential application in sequential detection of Fe3+, Al3+and carbonate with naked-eyes.

AB - A novel bis-rhodamine derivative BRU was designed and synthesized in a simple way. In aqueous media, BRU could efficiently recognize Fe3+and Al3+among other metal ions with different color appearances through a turn-on colorimetric response. In the presence of Fe3+or Al3+, BRU solution also displayed enhanced fluorescent emission. According to the detection limit, BRU had high recognition sensitivity towards Fe3+and Al3+based on either colorimetric absorbance or fluorescent emission. Interestingly, BRU bound to Fe3+or Al3+with a simple 1:1 mode in CH3OH and a 1:2 mode in CH3OH/H2O, displaying solvent-dependent binding property. In addition, the in situ generated BRU-Fe3+and BRU-Al3+complex exhibited fluorescence turn-off and color disappearance towards carbonate among other anions. These provide a potential application in sequential detection of Fe3+, Al3+and carbonate with naked-eyes.

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