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An easy method for preparation of graphene is described. Graphite was affected by Electron Beam Irradiation (EBI) and liquid nitrogen (LN). After EBI/LN treatment at a dose of 100kGy, graphite flakes were further treated by a hydrothermal (H) method, and were characterized by a Transmission Electron Microscope (TEM), X-ray Diffraction (XRD), and Raman spectroscopy. This easy method provides the increased...
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