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Herein, we report a facile process to prepare graphene nanosheets through explosive method. The explosive products were characterized by using XRD, TEM, AFM, Raman and XPS. The results show that the obtained materials have a perfect sheet-like structure, and vary in the two-dimensional plane at the macron scale and in thickness at the nanoscale. This technique may offer a low-cost, energy-saving, and efficient way to prepare graphene materials. [ABSTRACT FROM PUBLISHER]