Abstract
Graphene-based nanocomposites are emerging as a new class of materials that hold promise for many applications. In this article, we present a facile approach for the preparation of graphene/NiO nanocomposites using graphite oxide and nickel chloride as starting materials. The as-synthesized composites were characterized using X-ray diffraction, Fourier transform-Infrared spectroscopy, transmission electron microscopy, ultraviolet–visible spectroscopy, thermogravimetry, and differential scanning calorimetry analyses. It was shown that graphene sheets were decorated by the in situ-formed NiO nanoparticles to form a film-like composite structure and as a result, the restacking of the as-reduced graphene sheets was effectively prevented. The NiO-coated graphene nanocomposites can be expected to remarkably improve the electrochemical properties of NiO and would be the promising candidates for a variety of applications in future nanotechnology.
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The authors are grateful for the financial support from the Natural Science Foundation of Jiangsu Province (No. BK2009196), and the Key Laboratory Foundation of Fine Petrochemical Engineering of Jiangsu Province (KF0905).
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Ji, Z., Wu, J., Shen, X. et al. Preparation and characterization of graphene/NiO nanocomposites. J Mater Sci 46, 1190–1195 (2011). https://doi.org/10.1007/s10853-010-4892-7
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DOI: https://doi.org/10.1007/s10853-010-4892-7