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首页> 外文期刊>RSC Advances >Preparation and microwave absorption performance of a flexible Fe3O4anocarbon hybrid buckypaper and its application in composite materials
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Preparation and microwave absorption performance of a flexible Fe3O4anocarbon hybrid buckypaper and its application in composite materials

机译：Fe3O4 /纳米碳杂化巴克纸的制备，吸波性能及其在复合材料中的应用

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Graphene oxide (GO) and carbon nanotubes are promising microwave-absorbing materials. Herein, ferroferric oxide (Fe _(3) O _(4) )/multiwall carbon nanotube (MWCNT) and Fe _(3) O _(4) /GO hybrid buckypapers with excellent flexibility and manoeuvrability were coated on the surface of an epoxy substrate to fabricate microwave-absorbing composites. Fe _(3) O _(4) /GO buckypapers show a unique layered structure that differs from the complex network structure of Fe _(3) O _(4) /MWCNT buckypapers. Therefore, the Fe _(3) O _(4) /GO buckypapers exhibit lower tensile strength and toughness than the Fe _(3) O _(4) /MWCNT buckypapers, and the minimum electromagnetic reflection loss of Fe _(3) O _(4) /GO buckypapers is higher than that of Fe _(3) O _(4) /MWCNT buckypapers. Further, Fe _(3) O _(4) /GO buckypapers have a wider effective absorption-frequency band than Fe _(3) O _(4) /MWCNT buckypapers at 2.0–18.0 GHz. Although the mechanical properties of epoxy resin composites coated with Fe _(3) O _(4) /MWCNT or Fe _(3) O _(4) /GO buckypapers show a slight deterioration in comparison with those of the epoxy resin substrate, both buckypapers exhibit improved microwave-absorption performance compared with the epoxy resin substrate.
机译：氧化石墨烯（GO）和碳纳米管是很有前途的微波吸收材料。在此，将具有优异的柔韧性和可操作性的三氧化二铁（Fe _（3）O _（4））/多壁碳纳米管（MWCNT）和Fe _（3）O _（4）/ GO混合巴克纸涂覆在金属表面上。环氧树脂基材以制造吸收微波的复合材料。 Fe _（3）O _（4）/ GO buckypapers显示出独特的分层结构，不同于Fe _（3）O _（4）/ MWCNT buckypapers的复杂网络结构。因此，Fe _（3）O _（4）/ GO巴基纸的拉伸强度和韧性比Fe _（3）O _（4）/ MWCNT巴基纸低，并且Fe _（3）的最小电磁反射损耗O _（4）/ GO buckypapers高于Fe _（3）O _（4）/ MWCNT buckypapers。此外，Fe _（3）O _（4）/ GO buckypapers在2.0–18.0 GHz处比Fe _（3）O _（4）/ MWCNT buckypapers具有更宽的有效吸收频带。尽管涂有Fe _（3）O _（4）/ MWCNT或Fe _（3）O _（4）/ GO buckypaper的环氧树脂复合材料的机械性能与环氧树脂基材相比略有下降，与环氧树脂基材相比，两种布基纸均显示出改善的微波吸收性能。

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