Tunable EMI shielding effectiveness using new exotic carbon: Polymer composites

被引：36
作者：
Mishra, Monika [1 ,3 ]
Singh, Avanish Pratap [2 ]
Gupta, Vinay [1 ]
Chandra, Amita [1 ]
Dhawan, S. K. [3 ]
机构：
[1] Univ Delhi, Dept Phys & Astrophys, New Delhi 110007, India
[2] Atma Ram Sanatan Dharma Coll, Dept Phys, New Delhi 110021, India
[3] CSIR Natl Phys Lab, Mat Phys & Engn Div, New Delhi 110012, India
来源：
JOURNAL OF ALLOYS AND COMPOUNDS | 2016年 / 688卷
关键词：
MWCNTs; Carbon fiber; Reduced graphene oxide; Electromagnetic interference shielding; REDUCED GRAPHENE OXIDE; MICROWAVE-ABSORPTION; FOAM COMPOSITES; LIGHTWEIGHT; NANOTUBES; POLLUTION; TEMPLATE;
D O I：
10.1016/j.jallcom.2016.07.190
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：
beta-Naphthalene sulphonic acid (beta-NSA) doped polyaniline (PANI) composites having different carbon fillers such as MWCNTs, carbon fiber (CF), reduced graphene oxide(rGO) have been prepared by chemical oxidative polymerization route. SEM images demonstrate that beta-NSA leads to the formation of the tubular structure with incorporated MWCNT, CF and rGO. TGA studies show the improvement in thermal stability of the composites. Shielding effectiveness were calculated using S-parameters obtained from the Vector Network Analyzer (VNA) in 8.2-12.4 GHz frequency range. The maximum shielding effectiveness achieved for PANI composites along with MWCNT, CF, rGO was 37, 31 and 39 dB respectively. (C) 2016 Elsevier B.V. All rights reserved.
引用
收藏
页码：399 / 403
页数：5
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