Dielectric and microwave attenuation properties of graphene nanoplatelet-epoxy composites

被引：66
|
作者：
Wang, Zhou [1 ]
Luo, Jia
Zhao, Guang-Lin
机构：
[1] Southern Univ, Dept Phys, Baton Rouge, LA 70813 USA
来源：
AIP ADVANCES | 2014年 / 4卷 / 01期
基金：
美国国家科学基金会;
关键词：
CARBON NANOTUBES; ABSORPTION; SPECTROSCOPY; PERFORMANCE; DISPERSION; PAPER; OXIDE;
D O I：
10.1063/1.4863687
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
Graphene nanoplatelet (GNP)-epoxy compositeswere fabricated for the investigation of the dielectric permittivity and microwave absorption in a frequency range from 8 to 20 GHz. The intrinsically conductive GNP particles and polarized interfacial centers in the composites contribute to the microwave absorption. A minimum reflection loss of - 14.5 dB at 18.9 GHz is observed for the GNP-epoxy composites with 15 wt. % GNP loading, which is mainly attributed to electric conductivity and the charge multi-poles at the polarized interfaces in the GNP-epoxy composites. (C) 2014 Author(s).
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页数：9
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