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Abstract The 3D hierarchically porous reduced graphene oxide/cornstalk activated carbon/Fe3O4 (RGO/AC/Fe3O4) composite was synthesized by a simple mixing process combined with heat treatment process. AC could facilitate the formation of… Click to show full abstract
Abstract The 3D hierarchically porous reduced graphene oxide/cornstalk activated carbon/Fe3O4 (RGO/AC/Fe3O4) composite was synthesized by a simple mixing process combined with heat treatment process. AC could facilitate the formation of 3D network and the good dispersion of fillers in the composite. The well-constructed 3D hierarchically porous microstructure due to the introduction of AC was beneficial for good synergistic effect and multiple transmission-absorption mechanism. With 5% mass fraction of RGO/AC/Fe3O4 in paraffin wax, the minimum RL value reached −34.78 dB at 11.90 GHz, and the absorption bandwidth (RL
Journal Title: Composites Part B: Engineering
Year Published: 2019
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