graphene/sno2 nanocomposite-modified electrode for electrochemical detection of dopamine

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ID: 224613
2015
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Abstract
A graphene-tin oxide (G-SnO2) nanocomposite was prepared via a facile hydrothermal route using graphene oxide and Sn precursor solution without addition of any surfactant. The hydrothermally synthesized G-SnO2 nanocomposite was characterized using a field emission scanning electron microscope (FESEM), high resolution transmission electron microscope (HRTEM), X-ray diffraction (XRD), and energy dispersive spectroscopy (EDS). A homogeneous deposition of SnO2 nanoparticles with an average particle size of 10 nm on the graphene was observed in the FESEM and HRTEM images. The G-SnO2 nanocomposite was used to fabricate a modified electrode for the electrochemical detection of dopamine (DA) in the presence of ascorbic acid (AA). Differential pulse voltammetry (DPV) showed a limit of detection (LoD) of 1 μM (S/N = 3) in the presence of ascorbic acid (AA). Keywords: Graphene, Tin oxide, Nanocomposite, Electrochemical sensor, Biosensor, Dopamine
Reference Key
nurzulaikha2015sensinggraphene/sno2 Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors R. Nurzulaikha, H.N. Lim, I. Harrison, S.S. Lim, A. Pandikumar, N.M. Huang, S.P. Lim, G.s.h. Thien, N. Yusoff, I. Ibrahim
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Journal crystals
Year 2015
DOI
DOI not found
URL
http://www.sciencedirect.com/science/article/pii/S221418041500046X
Keywords
engineering (general) civil engineering (general)

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