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
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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