Experimental study of the effect of undoped ZnO, Fe and Mn doped ZnO nanostructures and the electrochemical response of the nanostructured modified carbon paste electrode toward Levodopa
Journal Title: Iranian Chemical Communication - Year 2016, Vol 4, Issue 4
Abstract
In this study, undoped ZnO and doped with Fe and Mn nanostructures were synthesized by hydrothermal method. The morphology of nanostructures was characterized by Scanning Electron Microscope. The electrochemical response of the carbon paste electrode modified with nanoparticles of ZnO and also ZnO doped with Fe and Mn toward levodopa (L-Dopa) was studied. Studies of cyclic voltammetry using provided modified electrode showed electro catalytic properties for electro-oxidation of L-Dopa and a significant reduction in anodic over voltage compared to bare electrode was observed. Best response was obtained in terms of the current enhancement, overvoltage reduction, and reversibility improvement of the L-Dopa oxidation reaction under experimental conditions by modified electrode with zinc oxide nanoparticles doped with iron.
Authors and Affiliations
Bahram Hosseini nia, Azam Anaraki Firooz, Masoumeh Ghalkhani, Javad Beheshtian
Keywords
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