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Enhanced Electromagnetic Interference Shielding Performance of Sisal Fiber/Polypropylene Composites with RGO-Fe₃O₄
Zhen Huang1, Heyi Ge1, Jiaming Wu1
1Shandong Provincial Key Laboratory of Preparation and Measurement of Building Materials, University of Jinan 250022, People's Republic of China; School of Material Science and Engineering, University of Jinan, Jinan 250022, People's Republic of China.
Abstract:
RGO (reduced graphene oxide)-Fe3O4 nanohybrids were successfully synthesized by a solvothermal reduction method. Fe3O4 nanoparticles, RGO and the nanohybrids were characterized using scanning electron microscopy (SEM), transmission electron microscopy (TEM), X-ray diffraction (XRD), Raman spectroscopy and vibrating sample magnetometer (VSM). The electromagnetic interference (EMI) shielding effectiveness (SE) of RGO-Fe3O4/SF/PP composite was much higher than that of Fe3O4/SF/PP composite at 8-12 GHz, which was attributed to synergistic effect between RGO and Fe3O4 nanoparticles. The EMI SE (%) improved with the increase of RGO-Fe3O4 content and the maximum value of 80.44% was obtained for the RGO-Fe3O4/SF/PP composite. Furthermore, the dominant shielding mechanism of RGO-Fe3O4/SF/PP was absorption.
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