期刊
JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS
卷 28, 期 22, 页码 16802-16812出版社
SPRINGER
DOI: 10.1007/s10854-017-7595-x
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In this article, RGO/MoS2@Fe3O4 ternary composites were prepared by two-step hydrothermal reaction. First, the RGO/MoS2 composite was synthesized by a hydrothermal process and then Fe3O4 particle was decorated on the RGO/MoS2 nanosheets via the second hydrothermal process. The morphology of the as-prepared RGO/MoS2 nanosheets and RGO/MoS2@Fe3O4 composites were investigated by SEM and TEM, which show that the MoS2 have lamellar structure similar to RGO and lots of Fe3O4 particles are successfully dispersed on the surface of RGO/MoS2 nanosheets. The saturation magnetization (Ms) of RGO/MoS2@Fe3O4 composite is 15.64 emu/g. The microwave-absorbing properties of the composites were measured by a vector network analyzer. The electromagnetic data demonstrates that the maximum reflection loss value is -49.43 dB when the paraffin matrix filler of RGO/MoS2@Fe3O4 is 16.7%, the corresponding maximum absorption bandwidth is 4.33 GHz with the thickness of 3.0 mm. Such excellent microwave absorption composites could be used as a new kind of candidate for the new types of microwave absorbing materials.
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