Excellent electromagnetic wave absorption property of quaternary composites consisting of reduced graphene oxide, polyaniline and FeNi3@SiO2 nanoparticles

被引：65

作者：

Ding, Xiao ^{[1
,2
]}

Huang, Ying ^{[1
,2
]}

Wang, Jianguo ^{[3
]}

Wu, Haiwei ^{[1
,2
]}

Liu, Panbo ^{[1
,2
]}

机构：

[1] Northwestern Polytech Univ, Dept Appl Chem, Xian 710072, Peoples R China

[2] Northwestern Polytech Univ, Minist Educ, Sch Sci, Key Lab Space Appl Phys & Chem, Xian 710072, Peoples R China

[3] Northwestern Polytech Univ, Sch Mat Sci & Engn, Xian 710072, Peoples R China

来源：

APPLIED SURFACE SCIENCE | 2015年 / 357卷

关键词：

Quaternary composites; Electromagnetic wave absorption; properties; Grapheme; Polymer; MICROWAVE-ABSORPTION; FACILE SYNTHESIS; NANOCOMPOSITES; PERFORMANCES; LIGHTWEIGHT;

D O I：

10.1016/j.apsusc.2015.09.103

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

The electromagnetic wave absorption properties of the quaternary composites consisting of reduced graphene oxide (rGO), polyaniline (PANI), FeNi3@SiO2 (FeNi3 nanocrystals encapsulated in SiO2) nanoparticles had never been reported. In this case, we prepared FeNi3@SiO2@rGO-PANI quaternary composites and TEM results shows spherical nanoparticles are well distributed on the surface of rGO-PANI nanosheets. The investigation of the electromagnetic wave absorbability reveals that the quaternary composites exhibit wide absorption bandwidth and enhanced electromagnetic wave absorption properties. The absorption bandwidth with reflection loss less than -10 dB (90% attenuation) is up to 6.64 GHz (10.08-10.80 GHz, 12.08-18.0 GHz), and the maximum reflection loss reaches about -40.18 dB at 14.0 GHz with the thickness of 2.4 mm. It is believed that the FeNi3@SiO2@rGO-PANI composites can serve as excellent electromagnetic wave absorbent and can be widely used in practice. (C) 2015 Elsevier B.V. All rights reserved.

引用

页码：908 / 914

页数：7

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