Electromagnetic wave absorbing properties of carbon nanotubes doped rare metal/pure carbon nanotubes double-layer polymer composites

被引：69

作者：

Hou, Cuiling ^{[1
]}

Li, Tiehu ^{[1
]}

Zhao, Tingkai ^{[1
]}

Zhang, Wenjuan ^{[1
]}

Cheng, Youliang ^{[1
]}

机构：

[1] Northwestern Polytech Univ, Dept Mat Sci & Engn, Xian 710072, Peoples R China

来源：

MATERIALS & DESIGN | 2012年 / 33卷

关键词：

MICROWAVE-ABSORPTION; COMPLEX PERMITTIVITY; PERMEABILITY; CO;

D O I：

10.1016/j.matdes.2011.04.042

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The design of double-layer structure could improve the absorbing properties of electromagnetic (EM) wave absorbing composites. Doping of rare metal (RM) could enhance the EM wave absorbing capability of the multi-walled carbon nanotubes (MWCNTs). In this paper, the polymer matrix composites with the different RM-doped MWCNTs and the pure MWCNTs as the absorber in the first and second layer respectively was fabricated (4 mm in thickness). The EM wave absorbing properties of these composites were studied. The results show all reflection loss curves of these composites have two absorption peaks in the frequency range of 2-18 GHz, and the reflection loss (<-10 dB) of the MWCNTs doped Ni is the widest from the absorption bandwidth (maximum is 5.28 GHz), relatively. (C) 2011 Elsevier Ltd. All rights reserved.

引用

页码：413 / 418

页数：6

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