Ultrafast synthesis of SiC@graphene nanocomposites by one-step laser induced fragmentation and decomposition

Carbides with high strength and chemically inert have unique optical and electrical properties, but widely used and controllable wet chemical methods are unsuitable for the synthesis of their nanocomposites because of the ultrahigh melting point. In this paper, we demonstrate one novel, simple and ultrafast laser irradiation method to synthesize ultrafine SiC@graphene nanocomposites. Both the fragmentation and spheroidization of bulk SiC flakes and surface covered by 1-3 graphene layers are accomplished in the one-step laser irradiation process.