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Issue 16, 2013
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Fabrication of a CuS/graphene nanocomposite modified electrode and its application for electrochemical determination of esculetin

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Abstract

In this paper, a CuS/graphene nanocomposite modified glassy carbon electrode (GCE) was successfully constructed and used for determination of esculetin. The electrochemical behavior of esculetin was studied by cyclic voltammetry (CV) and differential pulse voltammetry (DPV). The results indicated that the synergistic effect between CuS nanoparticles (NPs) and graphene enhanced the electrochemical response of esculetin. Under optimal conditions, the DPV peak current increased linearly with the esculetin concentration in the range from 1.0 × 10−7 to 1.0 × 10−4 mol L−1, and the detection limit (S/N = 3) was 5.8 × 10−8 mol L−1. Furthermore, a good selectivity with high sensitivity was obtained for the determination of esculetin in real samples.

Graphical abstract: Fabrication of a CuS/graphene nanocomposite modified electrode and its application for electrochemical determination of esculetin

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Article information


Submitted
04 Apr 2013
Accepted
04 Jun 2013
First published
06 Jun 2013

Anal. Methods, 2013,5, 3992-3998
Article type
Paper

Fabrication of a CuS/graphene nanocomposite modified electrode and its application for electrochemical determination of esculetin

X. Zhao, F. Zhang, D. Lu, Y. Du, W. Ye and C. Wang, Anal. Methods, 2013, 5, 3992
DOI: 10.1039/C3AY40558C

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