Carbon-Based Nanocomposites for Electromagnetic Wave Absorbing and Shielding

A special issue of Nanomaterials (ISSN 2079-4991). This special issue belongs to the section "2D and Carbon Nanomaterials".

Deadline for manuscript submissions: closed (31 January 2024) | Viewed by 1388

Special Issue Editors

1. School of Materials Science and Engineering, Northwestern Polytechnical University, Xi'an, China
2. Department of Aeronautical and Aviation Engineering, The Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong, China
Interests: low-dimensional carbon materials; nanocomposites; electromagnetic wave absorbing and shielding materials; energy storage materials; carbon fiber reinforced composites
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Guest Editor
College of Materials and Chemistry & Chemical Engineering, Chengdu University of Technology, Chengdu, China
Interests: carbon fiber reinforced composites; thermal protective coatings; electromagnetic wave absorption materials
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Guest Editor
Institute of Carbon Matrix Composites, Henan Academy of Sciences, Zhengzhou, China
Interests: carbon based composites; electromagnetic shielding materials; C/C composites

Special Issue Information

Dear Colleagues,

Today, with the increasing development of wireless communication systems, medical devices, and military equipment, electromagnetic pollution problems have become increasingly serious, which has led to electronic information technology developing a significant role. Therefore, the design of high-performance electromagnetic interference (EMI) shielding and microwave absorption (EMA) materials has become a key issue that needs to be urgently solved. To this end, carbon-based materials and their nanocomposites have attracted great attention in the fields of EMI shielding and EMA due to their advantages of low density, natural abundance, easy preparation, excellent thermal/electrical conductivity and flexibility. Particularly, they exhibit positive shielding and absorbing response to EMI by adjusting the chemical states, compositions and structures. In recent years, a large amount of articles on carbon-based nanocomposites for EMI shielding and MA have been published. It is now time to summarize the recent progress of this field for pushing the advanced applications.

In this Special Issue, original research articles and reviews are welcome. Research areas may include (but are not limited to) the following:

  1. Design and preparation of carbon based nanocomposites;
  2. High-performance EMI shielding materials;
  3. High-performance EMA materials;
  4. Novel mechanism on EMI shielding and EMA;
  5. New testing and characterization methods;
  6. Review articles on the progress of EMI and EMA materials.

Dr. Xuemin Yin
Prof. Dr. Qinchuan He
Dr. Liyuan Han
Guest Editors

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Keywords

  • nanomaterials
  • nanostructures
  • nanocomposites
  • carbon based nanomaterials
  • electromagnetic absorption
  • electromagnetic interference shielding

Published Papers (1 paper)

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Research

14 pages, 3979 KiB  
Article
The Improved Microwave Absorption Performance of the 3D Porous (Ni@NO-C)n/NO-C Composite Absorber
by Xinmeng Jia, Zhigang Li, Chao Ruan and Yongfu Lian
Nanomaterials 2023, 13(20), 2772; https://doi.org/10.3390/nano13202772 - 16 Oct 2023
Viewed by 1095
Abstract
Microwave absorbers that are lightweight and have good stability and high efficiency have attracted much attention for their applications in many contemporary fields. In this work, a 3D porous (Ni@NO-C)n/NO-C composite absorber was prepared using a wet chemistry method with Ni [...] Read more.
Microwave absorbers that are lightweight and have good stability and high efficiency have attracted much attention for their applications in many contemporary fields. In this work, a 3D porous (Ni@NO-C)n/NO-C composite absorber was prepared using a wet chemistry method with Ni chains and melamine as precursors, in which NO-C (N,O-doped carbon)-encapsulated Ni particles are homogenously dispersed in the 3D porous networks of NO-C in the form of (Ni@NO-C)n chains. The special microstructure of the as-prepared material is proven to be beneficial for the improvement of its microwave absorption performance. The as-synthesized (Ni@NO-C)n/NO-C composite absorber exhibited an effective absorption bandwidth of 4.1 GHz and an extremely large reflection loss of −72.3 dB. The excellent microwave-absorbing performances can be ascribed to the cooperative consequences of dielectric loss and magnetic loss, along with the balance between attenuation capability and impedance matching. Full article
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