Electromagnetic Interference (EMI) Shielding of Ordered Mesoporous Carbon (OMC)/Paraffin Composites

被引：1

作者：

Wu, Hongjing ^{[1
]}

Wang, Liuding ^{[1
]}

Zhang, Jiangdong ^{[2
]}

Wei, Gao ^{[2
]}

Guo, Shaoli ^{[1
]}

Shen, Zhongyuan ^{[1
]}

机构：

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

[2] Northwestern Polytech Univ, Sch Elect & Informat, Xian 710072, Peoples R China

来源：

JOURNAL OF NANOSCIENCE AND NANOTECHNOLOGY | 2014年 / 14卷 / 08期

基金：

中国国家自然科学基金;

关键词：

Ordered Mesoporous Carbon; Electromagnetic Interference Shielding; Absorption-Dominant Mechanism; ELECTRICAL-CONDUCTIVITY; NANOTUBE COMPOSITES; SILICA COMPOSITES; EPOXY COMPOSITES; PERMITTIVITY; POLYMERS; FILMS;

D O I：

10.1166/jnn.2014.8738

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

The ordered mesoporous carbon (OMC)/paraffin composites were successfully prepared by a facile physical mixing method and an EMI SE of 21-23 dB was achieved at the OMC loading of 5.69 wt.% in the X band. This indicates that the composites are very suitable for an application as effective and lightweight EMI shielding materials. The EMI shielding of the composite shows an absorption-dominant mechanism, i.e., a contribution shift from reflection to absorption is observed with the increase in OMC loading and frequency. This could be explained by the intrinsic properties (electrical conductivity, complex permittivity and potential large defects) and novel structure of the composites.

引用

页码：6016 / 6021

页数：6