EMI shielding performance of phenolic-based carbon foam modified with GO/SiO2 hybrid nanomaterials

被引：24
|
作者：
Zeng, Yao [1 ]
Luo, Xia [1 ]
Yu, Kejing [1 ]
Qian, Kun [1 ]
机构：
[1] Jiangnan Univ, Minist Educ, Key Lab Ecotext, Wuxi 214122, Jiangsu, Peoples R China
来源：
CHEMICAL PHYSICS LETTERS | 2019年 / 715卷
基金：
国家重点研发计划;
关键词：
GO/SiO2 hybrid nanomaterials; Phenolic-based carbon foam; Conductivity; Electromagnetic shielding; MECHANICAL-PROPERTIES; COMPOSITES; NANOTUBES; LIGHTWEIGHT; MORPHOLOGY; OXIDE;
D O I：
10.1016/j.cplett.2018.11.040
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：
A facile way has been investigated to fabricate the phenolic-based carbon foam (PCF) modified with the unique three-dimensional structure of graphene oxide/SiO2 (GO/SiO2) hybrid nanomaterials which were obtained via in-situ preparation method. Results showed that the carbon foam sample modified by 1.5 wt% GO/SiO2 hybrid nanomaterial with a particle size of 80 nm had an electromagnetic interference shielding effectiveness (EMI SE) up to similar to 50 dB in X-band only at a thickness of 10 mm. This phenomenon may be ascribed to stable porous structure and nanoparticles assisting in attenuating the electromagnetic wave transmittance. The result enables their application in lightweight electromagnetic protection devices.
引用
收藏
页码：166 / 172
页数：7
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