Selective detection of F^sup -^ using Al microarrays integrated graphene oxide

The present study demonstrates, a selective detection of F− using aluminium (Al) micro-interdigitated electrode (μ-IDEs) array modified by graphene oxide (GO). The selectivity of the fabricated sensor towards F− in presence of contaminants like, Chloride (Cl−), Bromide (Br−) & Nitrate (NO3−) at...

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Published in:Sensors and actuators. B, Chemical Chemical, 2017-08, Vol.247, p.224
Main Authors: Soni, Mahesh, Kumar, Pawan, Soni, Ajay, Sharma, Satinder K
Format: Article
Language:English
Subjects:
Aluminum
Aqueous solutions
Contaminants
Contamination
Electrical measurement
Electrodes
Graphene
Selectivity
Sensor arrays
Sensors
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Kumar, Pawan
Soni, Ajay
Sharma, Satinder K
description The present study demonstrates, a selective detection of F− using aluminium (Al) micro-interdigitated electrode (μ-IDEs) array modified by graphene oxide (GO). The selectivity of the fabricated sensor towards F− in presence of contaminants like, Chloride (Cl−), Bromide (Br−) & Nitrate (NO3−) at concentration of 100 and 50 ppm is investigated using simple electrical measurements. The selectivity of GO/Al-μ-IDEs is attributed to the highest electro-negativity and strong affinity of F− towards Al. The real time, cost effective, selective GO/Al-μ-IDEs based molecular sensors shows the potential for detection of aqueous F− in presence of other contaminants.
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subjects Aluminum
Aqueous solutions
Contaminants
Contamination
Electrical measurement
Electrodes
Graphene
Selectivity
Sensor arrays
Sensors
title Selective detection of F^sup -^ using Al microarrays integrated graphene oxide
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