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柔性FeO/纳米碳复合巴基纸的制备、微波吸收性能及其在复合材料中的应用

Preparation and microwave absorption performance of a flexible FeO/nanocarbon hybrid buckypaper and its application in composite materials.

作者信息

Wang Jia, Jiao Jian, Sun Guangmei, Yuan Kai, Guan Ziyi, Wei Xinyi

机构信息

Department of Applied Chemistry, School of Science, Northwestern Polytechnical University Xi'an Shaanxi 710072 P. R. China

出版信息

RSC Adv. 2019 Nov 21;9(65):37870-37881. doi: 10.1039/c9ra07406f. eCollection 2019 Nov 19.

DOI:10.1039/c9ra07406f
PMID:35541814
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC9075774/
Abstract

Graphene oxide (GO) and carbon nanotubes are promising microwave-absorbing materials. Herein, ferroferric oxide (FeO)/multiwall carbon nanotube (MWCNT) and FeO/GO hybrid buckypapers with excellent flexibility and manoeuvrability were coated on the surface of an epoxy substrate to fabricate microwave-absorbing composites. FeO/GO buckypapers show a unique layered structure that differs from the complex network structure of FeO/MWCNT buckypapers. Therefore, the FeO/GO buckypapers exhibit lower tensile strength and toughness than the FeO/MWCNT buckypapers, and the minimum electromagnetic reflection loss of FeO/GO buckypapers is higher than that of FeO/MWCNT buckypapers. Further, FeO/GO buckypapers have a wider effective absorption-frequency band than FeO/MWCNT buckypapers at 2.0-18.0 GHz. Although the mechanical properties of epoxy resin composites coated with FeO/MWCNT or FeO/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.

摘要

氧化石墨烯（GO）和碳纳米管是很有前景的微波吸收材料。在此，将具有优异柔韧性和可操作性的四氧化三铁（FeO）/多壁碳纳米管（MWCNT）和FeO/GO复合巴基纸涂覆在环氧基板表面，以制备微波吸收复合材料。FeO/GO巴基纸呈现出独特的层状结构，这与FeO/MWCNT巴基纸的复杂网络结构不同。因此，FeO/GO巴基纸的拉伸强度和韧性低于FeO/MWCNT巴基纸，且FeO/GO巴基纸的最小电磁反射损耗高于FeO/MWCNT巴基纸。此外，在2.0 - 18.0 GHz频率范围内，FeO/GO巴基纸比FeO/MWCNT巴基纸具有更宽的有效吸收频带。尽管涂覆有FeO/MWCNT或FeO/GO巴基纸的环氧树脂复合材料的力学性能与环氧树脂基板相比略有下降，但两种巴基纸与环氧树脂基板相比均表现出改善的微波吸收性能。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/28c1/9075774/cd903340cd4b/c9ra07406f-f13.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/28c1/9075774/94263eba5bc3/c9ra07406f-f8.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/28c1/9075774/dd491a4b3863/c9ra07406f-f9.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/28c1/9075774/9fc9ba7c8ccf/c9ra07406f-f12.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/28c1/9075774/cd903340cd4b/c9ra07406f-f13.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/28c1/9075774/4b46d1d58e40/c9ra07406f-f1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/28c1/9075774/e004a2851654/c9ra07406f-f2.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/28c1/9075774/f9e280e70e6a/c9ra07406f-f4.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/28c1/9075774/7b1e2c0484d4/c9ra07406f-f5.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/28c1/9075774/9db2cd2c1fe8/c9ra07406f-f6.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/28c1/9075774/31231bb48d4b/c9ra07406f-f7.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/28c1/9075774/94263eba5bc3/c9ra07406f-f8.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/28c1/9075774/dd491a4b3863/c9ra07406f-f9.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/28c1/9075774/0b42f21db2f1/c9ra07406f-f10.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/28c1/9075774/66ca91fb52ba/c9ra07406f-f11.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/28c1/9075774/9fc9ba7c8ccf/c9ra07406f-f12.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/28c1/9075774/cd903340cd4b/c9ra07406f-f13.jpg

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