SiO2微珠/Fe3O4/Ti3C2Tx制备及吸波性能研究

Preparation and wave absorbing properties of SiO2 microbeads/Fe3O4/Ti3C2Tx

对SiO2微珠进行表面改性后通过静电自组装制备SiO2微珠/Fe3O4/Ti3C2Tx 复合材料,并对其电磁波吸收性能进行了研究。实验结果表明该复合吸波材料在12.4~18 GHz内吸波效果在-16RL以下,低于-17RL的频宽达到了1.6 GHz,占整体频段的约28.6%,峰值出现在13.5 GHz左右,达到-19.5 RL以下,SiO 2微珠大大减轻复合材料的密度(密度小于水),该复合材料获得了较好的吸波性能。

SiO2 microspheres/Fe3O4/Ti3C2Tx composites were prepared by electrostatic self-assembly based on the surface modified SiO2 microspheres.The wave absorption properties of the composites were studied.The composites wave-absorbing effect is below-16 RL in the range from 12.4 GHz to 18 GHz,and the frequency bandwidth lower than-17 RL reaches 1.6 GHz,which occupies about 28.6% of the entire frequency band studied.The absorbing peak appeares at around 13.5 GHz reaching above-19.5 RL.The composites have low density(density less than water)and exhibit good wave absorption performance.