Electrochemical detection of Pb(II) ions using glassy carbon electrode surface modified by functionalized mesoporous carbon

S. E. Subramani; T. V. Vineesh; T. Priya; V. Kathikeyan; N. Thinakaran

doi:10.1166/sl.2017.3814

Electrochemical detection of Pb(II) ions using glassy carbon electrode surface modified by functionalized mesoporous carbon

S. E. Subramani, T. V. Vineesh, T. Priya, V. Kathikeyan, N. Thinakaran

Research output: Contribution to journal › Article › peer-review

1 Scopus citations

Abstract

An electrochemical sensor based on functionalized mesoporous carbon has been designed in this work for the detection of Pb(II) ions. Initially, the mesoporous carbon was synthesized by softtemplating method and it was functionalized with 4-aminobenzene sulphonic acid. The synthesized mesoporous carbon BET surface area was calculated to be 618 m² g^-1. Further, its surface properties were evaluated using SEM, Raman, XRD and FTIR. Analytical parameters involved in the detection process were studied and optimized by square wave anodic stripping voltammetry (SWASV). The proposed sensor that exhibited a sensitivity of 0.19 μA/nM and limit of detection was 8.3 nM. Additionally, it showed good selectivity and excellent reproducibility in the detection of Pb(II). Finally the performance of the modified electrode was further investigated for the determination of Pb(II) in real water samples and the results were compared with AAS.

Original language	English
Pages (from-to)	320-327
Number of pages	8
Journal	Sensor Letters
Volume	15
Issue number	4
DOIs	https://doi.org/10.1166/sl.2017.3814
State	Published - Apr 2017
Externally published	Yes

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© Copyright 2017 American Scientific Publishers.

Keywords

Heavy metals
Mesoporous carbon
Modified electrode
Real sample analysis
Surface characterization

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10.1166/sl.2017.3814

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title = "Electrochemical detection of Pb(II) ions using glassy carbon electrode surface modified by functionalized mesoporous carbon",

abstract = "An electrochemical sensor based on functionalized mesoporous carbon has been designed in this work for the detection of Pb(II) ions. Initially, the mesoporous carbon was synthesized by softtemplating method and it was functionalized with 4-aminobenzene sulphonic acid. The synthesized mesoporous carbon BET surface area was calculated to be 618 m2 g-1. Further, its surface properties were evaluated using SEM, Raman, XRD and FTIR. Analytical parameters involved in the detection process were studied and optimized by square wave anodic stripping voltammetry (SWASV). The proposed sensor that exhibited a sensitivity of 0.19 μA/nM and limit of detection was 8.3 nM. Additionally, it showed good selectivity and excellent reproducibility in the detection of Pb(II). Finally the performance of the modified electrode was further investigated for the determination of Pb(II) in real water samples and the results were compared with AAS.",

keywords = "Heavy metals, Mesoporous carbon, Modified electrode, Real sample analysis, Surface characterization",

author = "Subramani, {S. E.} and Vineesh, {T. V.} and T. Priya and V. Kathikeyan and N. Thinakaran",

year = "2017",

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doi = "10.1166/sl.2017.3814",

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AU - Subramani, S. E.

AU - Vineesh, T. V.

AU - Priya, T.

AU - Kathikeyan, V.

AU - Thinakaran, N.

PY - 2017/4

Y1 - 2017/4

N2 - An electrochemical sensor based on functionalized mesoporous carbon has been designed in this work for the detection of Pb(II) ions. Initially, the mesoporous carbon was synthesized by softtemplating method and it was functionalized with 4-aminobenzene sulphonic acid. The synthesized mesoporous carbon BET surface area was calculated to be 618 m2 g-1. Further, its surface properties were evaluated using SEM, Raman, XRD and FTIR. Analytical parameters involved in the detection process were studied and optimized by square wave anodic stripping voltammetry (SWASV). The proposed sensor that exhibited a sensitivity of 0.19 μA/nM and limit of detection was 8.3 nM. Additionally, it showed good selectivity and excellent reproducibility in the detection of Pb(II). Finally the performance of the modified electrode was further investigated for the determination of Pb(II) in real water samples and the results were compared with AAS.

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KW - Heavy metals

KW - Mesoporous carbon

KW - Modified electrode

KW - Real sample analysis

KW - Surface characterization

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Electrochemical detection of Pb(II) ions using glassy carbon electrode surface modified by functionalized mesoporous carbon

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Keywords

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