Morphology-Dependent Electrochemical Sensing Properties of Iron Oxide-Graphene Oxide Nanohybrids for Dopamine and Uric Acid.

ABSTRACT: Various morphologies of iron oxide nanoparticles (Fe₂O₃ NPs), including cubic, thorhombic and discal shapes were synthesized by a facile meta-ion mediated hydrothermal route. To further improve the electrochemical sensing properties, discal Fe₂O₃ NPs with the highest electrocatalytic activity were coupled with graphene oxide (GO) nanosheets. The surface morphology, microstructures and electrochemical properties of the obtained Fe₂O₃ NPs and Fe₂O₃/GO nanohybrids were characterized by scanning electron microscopy (SEM), X-ray diffraction (XRD), cyclic voltammetry (CV) and electrochemical impedance spectroscopy (EIS) techniques. As expected, the electrochemical performances were found to be highly related

SUBMITTER: Cai Z 

PROVIDER: S-EPMC6631868 | biostudies-literature | 2019 Jun

REPOSITORIES: biostudies-literature