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Synthesis of SiC/graphene nanocomposites by atmospheric plasmas for bettering environment friendly of microwave absorption: Fullerenes, Nanotubes and Carbon Nanostructures: Vol 0, No 0


Summary

SiC/graphene nanocomposites have been quickly synthesized by hexamethyldisilane and methane decomposition in atmospheric plasmas. Outcomes point out that the merchandise with out methane addition have been SiC/C composites composed of SiC nanoparticles with dimension of 5–30 nm and carbon nanoshells with few layers. With the addition of methane, graphene nanosheets with 1–8 layers generated, and so they hooked up with SiC nanoparticles and carbon nanoshells, forming SiC/graphene nanocomposites with point-surface construction. The formation of graphene nanosheets improved the microwave absorption potential, and the optimum reflection loss approached −65.7 dB at 11 GHz with an absorber thickness of 1.6 mm. Electromagnetic parameters indicated the bettering microwave absorption was related to the improved polarization/conduction loss as a result of formation of point-surface construction.

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