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Facile fabrication of fluorescent poly(5-cyanoindole) thin film sensor via electropolymerization for detection of Fe3+ in aqueous solution

Paper ID Volume ID Publish Year Pages File Format Full-Text
26361 43949 2016 7 PDF Available
Title
Facile fabrication of fluorescent poly(5-cyanoindole) thin film sensor via electropolymerization for detection of Fe3+ in aqueous solution
Abstract

•Intensification of the temperature swing adsorption process.•Analysis of a TSA gas drying unit employing the multi-layered bed of adsorbents.•Developing of non-isothermal model to simulate the adsorption-desorption process.•Prediction of the performances of gas dehydration using vari ous adsorbents.

A fluorescent conjugated polymer thin film sensor via the electropolymerization for fluorescent detection of Fe3+ in aqueous solution was successfully fabricated using a poly(5-cyanoindole) (P5CI), which was electrochemically prepared in the mixed electrolyte of boron trifluoride diethyl etherate, diethyl ether and tetrabutylammonium tetrafluoroborate on ITO electrodes by successive cyclic voltammetry. The thickness of the electropolymerized P5CI thin film could be precisely controlled by optimizing scan cycles and scan rates. The as-obtained fluorescent P5CI thin film sensor could effectively recognize Fe3+ with outstanding sensitivity, selectivity, reversibility and reproducibility over other commonly coexistent metal ions and anions, and realize the quantitative determination of Fe3+ in a linear range of 0.2 μM–0.5 mM with a detection limit of 0.897 ppb. The reversibility and reproducibility of P5CI thin film sensor were assessed. Satisfactory results indicated that fluorescent conjugated polymers via the electropolymerization provided a promising candidate for fluorescent thin film sensor.

Keywords
Fluorescent thin film sensor; Conjugated polymer; Poly(5-cyanoindole); Electropolymerization; Iron ion
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Facile fabrication of fluorescent poly(5-cyanoindole) thin film sensor via electropolymerization for detection of Fe3+ in aqueous solution
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Publisher
Database: Elsevier - ScienceDirect
Journal: Journal of Photochemistry and Photobiology A: Chemistry - Volume 314, 1 January 2016, Pages 22–28
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Bioengineering
Get Full-Text Now
Don't Miss Today's Special Offer
Price was $35.95
You save - $31
Price after discount Only $4.95
100% Money Back Guarantee
Full-text PDF Download
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Any Questions? feel free to contact us