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Highly Sensitive and Selective Determination of Dopamine Based on Ionic Liquid-Titanium Dioxide/Graphene Oxide Nanocomposite Modified Electrode
International Journal of Electrochemical Science
A composite modified voltammetric sensor for dopamine (DA) was successfully developed, which was based on in-situ electrodepositing ionic liquids (IL, [BMIM]BF 4 )-titanium dioxide (TiO 2 ) nanoparticles on graphene oxide (GO) modified glassy carbon electrodes (GCE). The surface morphologies of different modified electrodes like GO/GCE, TiO 2 /GO/GCE, and IL-TiO 2 /GO/GCE were characterized by scanning electron microscopy. The electrocatalytic activities of the corresponding electrodes todoi:10.20964/2016.12.01 fatcat:zl4kxn4vonffdbc3z2q2whn2pe