Graphene Oxide/Fe₃O₄ Composites Prepared via In Situ Precipitation

Abstract:

The graphene oxide/Fe₃O₄ composites were prepared by in situ precipitation method in this article. The microstructure and surface morphology of composites were characterized by Fourier transform infrared spectrum, X-ray diffraction and scanning electron microscopy, respectively. Cyclic voltammetry was employed for the determination of specific capacitance and other electrochemical performances. It was shown that there was the chemical bonding force between GO and Fe₃O₄ particles. And the surfaces of GO were wrapped by the Fe₃O₄ particles precipitated on the surfaces of GO sheets and no impurities were detected. Furthermore, the specific capacitance of GO/Fe₃O₄ composite electrodes decreased as Fe₃O₄ particles reduced and the redox peaks became weaker owing to the addition of nonconductive Fe₃O₄ particles.

• Periodical: Advanced Materials Research (Volume 904)
• Pages: 150-154
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.904.150
• Online since: March 2014
• Authors: Zhe Wei Yang, Xin Fan*, Li Ang Guo, Wei Ting Wei
• Keywords: Characterization, Fe₃O₄, Graphene Oxide, In Situ Precipitation

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