Electrochemical Sensor Based on Nanocomposite of Multi-Walled Carbon Nanotubes / TiO2 Nanoparticles in Chitosan Matrix for Simultaneous and Separate Determination of Dihydroxybenzene Isomers

Electrochemical Sensor Based on Nanocomposite of Multi-Walled Carbon Nanotubes / TiO2 Nanoparticles in Chitosan Matrix for Simultaneous and Separate Determination of Dihydroxybenzene Isomers

The present research was conducted to develop a potent electrochemical sensor based on multi-walled carbon nanotubes and TiO2 nanoparticles in chitosan matrix (CS-MWCNTs+TiO2NPs). In the CS-MWCNTs+TiO2NPs nanocomposite film with excellent catalytic activities, good electrical conductivities and high...

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Veröffentlicht in:Journal of the Electrochemical Society 2018-01, Vol.165 (5), p.B202-B211
Hauptverfasser: Fotouhi, Lida, Dorraji, Parisa Seyed, Keshmiri, Yasaman Sadat Seyed, Hamtak, Maryam
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container_end_page B211
container_issue 5
container_start_page B202
container_title Journal of the Electrochemical Society
container_volume 165
creator Fotouhi, Lida
Dorraji, Parisa Seyed
Keshmiri, Yasaman Sadat Seyed
Hamtak, Maryam
description The present research was conducted to develop a potent electrochemical sensor based on multi-walled carbon nanotubes and TiO2 nanoparticles in chitosan matrix (CS-MWCNTs+TiO2NPs). In the CS-MWCNTs+TiO2NPs nanocomposite film with excellent catalytic activities, good electrical conductivities and high surface areas of MWCNTs and TiO2NPs, the simultaneous determination of hydroquinone (HQ), catechol (CC) and resorcinol (RS) with proper analytical performance was realized in the individual or triple-components solution in comparison with the bare glassy carbon electrode (GCE) and the single component modified GCE. The linear response of HQ, CC and RS were obtained in the ranges of 0.4-276.0 μmol dm−3, 0.4-159.0 μmol dm−3 and 3.0-657 μmol dm−3 and the detection limits (S/N = 3) were 0.06 μmol dm−3, 0.07 μmol dm−3, and 0.52 μmol dm−3, respectively. In the real water sample analysis by the developed sensor, satisfactory results were obtained.
doi_str_mv 10.1149/2.0541805jes
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title Electrochemical Sensor Based on Nanocomposite of Multi-Walled Carbon Nanotubes / TiO2 Nanoparticles in Chitosan Matrix for Simultaneous and Separate Determination of Dihydroxybenzene Isomers
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