Abstract
Solution plasma is applied to graphite and thermally reduced graphite oxide in ambient conditions in order to improve their dispersion. Changes in morphology, oxygen functional groups, defects, decomposition temperatures, oxygen to carbon atomic ratio, conductivity, stability, and degree of dispersion are systematically investigated by using scanning electron microscopy, Fourier-transform infrared spectroscopy, Raman spectroscopy, Thermogravimetric analysis, X-ray photoelectron spectroscopy, Zeta potential analyzers, and ultraviolet–visible spectrophotometry. Dramatic enhancement of the dispersion after the simple plasma treatment is introduced without evident change of conductivities. This simple, easy, economical, and eco-friendly plasma method could functionalize and reform material efficiently in many application fields.
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Acknowledgements
This work was supported by Basic Science Research Program through the National Research Foundation of Korea (NRF-2016R1D1A3B04931018).
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Tran, MH., Jeong, H.K. Improved dispersion of graphite derivatives by solution plasma. J Mater Sci 53, 3388–3397 (2018). https://doi.org/10.1007/s10853-017-1799-6
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DOI: https://doi.org/10.1007/s10853-017-1799-6