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Nanomaterials
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Advanced Nanomaterials for Electromagnetic Shielding and Absorption Applications
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Advanced Nanomaterials for Electromagnetic Shielding and Absorption Applications

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

Deadline for manuscript submissions: 25 July 2025 | Viewed by 7858

Special Issue Editors

Dr. Mingxing Piao

E-Mail Website
Guest Editor
Key Laboratory of Multi-Scale Manufacturing Technology, Chongqing Institute of Green and Intelligent Technology, Chinese Academy of Sciences, Chongqing 400714, China
Interests: electromagnetic absorption materials; electromagnetic shielding materials; carbon nanomaterials; TMDs; thermoelectric management
Dr. Yenan Song

E-Mail Website
Guest Editor
Engineering Research Center for Nanophotonics and Advanced Instrument, Ministry of Education, School of Physics and Electronic Science, East China Normal University, Shanghai 200241, China
Interests: carbon nanomaterials; electromagnetic wave absorption; graphene-based applications

Special Issue Information

Dear Colleagues,

We are pleased to invite you to submit original research papers, communications, or review articles to this Special Issue on Advanced Nanomaterials for Electromagnetic Shielding and Absorption Applications.

Electromagnetic radiation has become a serious environmental pollution problem with the rapid development of wireless communication and the widespread use of various electronic devices. Electromagnetic shielding and absorption materials play a critical role in enhancing electronic reliability, healthcare, and defense security. Low-dimensional materials with unique electronic structures and physicochemical properties are necessary for their particular electromagnetic functions. Nanomaterials with heterogenous components and precise structural designs have received attentions due to their promising applications in electromagnetic shielding and absorbing.

This Special Issue will highlight the latest processing methods, microstructure characterizations, mechanisms, properties of novel nanomaterials, and their applications in electromagnetic shielding and absorbing.

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

  • Low-dimensional materials (carbon nanomaterials, TMDs, MXenes, etc.);
  • Nanomagnetic/Nanomagnetic alloy materials;
  • Nanocomposites;
  • Electromagnetic shielding;
  • Electromagnetic absorption;
  • Thermoelectric management.

We look forward to receiving your contributions.

Dr. Mingxing Piao
Dr. Yenan Song
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Nanomaterials is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2400 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • electromagnetic shielding
  • electromagnetic absorption
  • electromagnetic protection
  • electromagnetic wave stealth
  • thermoelectric management
  • nanocomposites
  • low-dimensional materials
  • nanomagnetic materials

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Further information on MDPI's Special Issue policies can be found here.

Published Papers (5 papers)

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Research

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17 pages, 4820 KiB  
Article
Exploring the Microstructural Effect of FeCo Alloy on Carbon Microsphere Deposition and Enhanced Electromagnetic Wave Absorption
by Xiaoshu Jia, Heng Zhang, Fang Liu, Qiaojun Yi, Chaolong Li, Xiao Wang and Mingxing Piao
Nanomaterials 2024, 14(14), 1194; https://doi.org/10.3390/nano14141194 - 12 Jul 2024
Viewed by 1118
Abstract
The rational design of magnetic carbon composites, encompassing both their composition and microstructure, holds significant potential for achieving exceptional electromagnetic wave-absorbing materials (EAMs). In this study, FeCo@CM composites were efficiently fabricated through an advanced microwave plasma-assisted reduction chemical vapor deposition (MPARCVD) technique, offering [...] Read more.
The rational design of magnetic carbon composites, encompassing both their composition and microstructure, holds significant potential for achieving exceptional electromagnetic wave-absorbing materials (EAMs). In this study, FeCo@CM composites were efficiently fabricated through an advanced microwave plasma-assisted reduction chemical vapor deposition (MPARCVD) technique, offering high efficiency, low cost, and energy-saving benefits. By depositing graphitized carbon microspheres, the dielectric properties were significantly enhanced, resulting in improved electromagnetic wave absorption performances through optimized impedance matching and a synergistic effect with magnetic loss. A systematic investigation revealed that the laminar-stacked structure of FeCo exhibited superior properties compared to its spherical counterpart, supplying a higher number of exposed edges and enhanced catalytic activity, which facilitated the deposition of uniform and low-defect graphitized carbon microspheres. Consequently, the dielectric loss performance of the FeCo@CM composites was dramatically improved due to increased electrical conductivity and the formation of abundant heterogeneous interfaces. At a 40 wt% filling amount and a frequency of 7.84 GHz, the FeCo@CM composites achieved a minimum reflection loss value of −58.2 dB with an effective absorption bandwidth (fE) of 5.13 GHz. This study presents an effective strategy for developing high-performance EAMs. Full article
(This article belongs to the Special Issue Advanced Nanomaterials for Electromagnetic Shielding and Absorption Applications)
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10 pages, 1261 KiB  
Article
Enhanced Electromagnetic Interference Shielding Properties of CNT/Carbon Composites by Designing a Hierarchical Porous Structure
by Yingying Yu, Yaxi Zhang, Yurong Zhou, Jiajia Xia, Minghui Chen, Huli Fu, Yufang Cao, Tao Wang, Cao Wu, Zhenmin Luo and Yongyi Zhang
Nanomaterials 2024, 14(13), 1099; https://doi.org/10.3390/nano14131099 - 26 Jun 2024
Cited by 1 | Viewed by 2227
Abstract
With the widespread use of electronic devices, electromagnetic interference (EMI) has become an increasingly severe issue, adversely affecting device performance and human health. Carbon nanotubes (CNTs) are recognized for their electrical conductivity, flexibility, and stability, making them promising candidates for EMI shielding applications. [...] Read more.
With the widespread use of electronic devices, electromagnetic interference (EMI) has become an increasingly severe issue, adversely affecting device performance and human health. Carbon nanotubes (CNTs) are recognized for their electrical conductivity, flexibility, and stability, making them promising candidates for EMI shielding applications. This research developed hierarchical porous-structured CNT/carbon composites for enhancing electromagnetic interference (EMI) shielding properties. Featuring a CNT film with nano-scale pores and an amorphous carbon layer with micro-scale pores, the CNT/carbon composites are strategically arranged to promote the penetration of EM waves into the composite’s interior and facilitate multiple reflections, thereby improving the EMI shielding performance. An impressive EMI shielding effectiveness of 61.4 dB was achieved by the CNT/carbon composites, marking a significant improvement over the 36.5 dB measured for the pristine CNT film. Owing to the micro pores in the amorphous carbon layer, a notable reduction in the reflection shielding efficiency (SER) but, concurrently, a substantial increase in the absorption shielding efficiency (SEA) compared with the pristine CNT film was realized in the composites. This study successfully validated the effectiveness of the hierarchical porous structure in enhancing the EMI shielding performance, providing a promising new strategy for the development of lightweight, flexible, and efficient EMI shielding materials. Full article
(This article belongs to the Special Issue Advanced Nanomaterials for Electromagnetic Shielding and Absorption Applications)
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16 pages, 13240 KiB  
Article
A Novel Nano-Laminated GdB2C2 with Excellent Electromagnetic Wave Absorption Performance and Ultra-High-Temperature Thermostability
by Longfei Jiang, Gang Qin, Pengxing Cui, Guoqing Wang and Xiaobing Zhou
Nanomaterials 2024, 14(12), 1025; https://doi.org/10.3390/nano14121025 - 13 Jun 2024
Viewed by 1362
Abstract
A novel nano-laminated GdB2C2 material was successfully synthesized using GdH2, B4C, and C via an in situ solid-state reaction approach for the first time. The formation process of GdB2C2 was revealed based on [...] Read more.
A novel nano-laminated GdB2C2 material was successfully synthesized using GdH2, B4C, and C via an in situ solid-state reaction approach for the first time. The formation process of GdB2C2 was revealed based on the microstructure and phase evolution investigation. Purity of 96.4 wt.% GdB2C2 was obtained at a low temperature of 1500 °C, while a nearly fully pure GdB2C2 could be obtained at a temperature over 1700 °C. The as-obtained GdB2C2 presented excellent thermal stability at a high temperature of 2100 °C in Ar atmosphere due to the stable framework formed by the high-covalence four-member and eight-member B-C rings in GdB2C2. The GdB2C2 material synthesized at 1500 °C demonstrated a remarkably low minimum reflection loss (RLmin) of −47.01 dB (3.44 mm) and a broad effective absorption bandwidth (EAB) of 1.76 GHz. The possible electromagnetic wave absorption (EMWA) mechanism could be ascribed to the nano-laminated structure and appropriate electrical conductivity, which facilitated good impedance matching, remarkable conduction loss, and interfacial polarization, along with the reflection and scattering of electromagnetic waves at multiple interfaces. The GdB2C2, with excellent EMWA performance as well as remarkable ultra-high-temperature thermal stability, could be a promising candidate for the application of EMWA materials in extreme ultra-high temperatures. Full article
(This article belongs to the Special Issue Advanced Nanomaterials for Electromagnetic Shielding and Absorption Applications)
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Review

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24 pages, 6071 KiB  
Review
New Electromagnetic Interference Shielding Materials: Biochars, Scaffolds, Rare Earth, and Ferrite-Based Materials
by Dragana Marinković, Slađana Dorontić, Dejan Kepić, Kamel Haddadi, Muhammad Yasir, Blaž Nardin and Svetlana Jovanović
Nanomaterials 2025, 15(7), 541; https://doi.org/10.3390/nano15070541 - 2 Apr 2025
Viewed by 1037
Abstract
In this review, a comprehensive systematic study of the research background, developments, classification, trends, and advances over the past few years in research on new electromagnetic interference (EMI) shielding materials will be described. The following groups of new materials for EMI shielding will [...] Read more.
In this review, a comprehensive systematic study of the research background, developments, classification, trends, and advances over the past few years in research on new electromagnetic interference (EMI) shielding materials will be described. The following groups of new materials for EMI shielding will be discussed: biochars, scaffolds, rare earth, and ferrite-based materials. We selected two novel, organic, lightweight materials (biochars and scaffolds) and compared their shielding effectiveness to inorganic materials (ferrite and rare earth materials). This article will broadly discuss the EMI shielding performance, the basic principles of EMI shielding, the preparation methods of selected materials, and their application prospects. Biochars are promising, eco-friendly, sustainable, and renewable materials that can be potentially used as a filter in polymer composites for EMI shielding, along with scaffolds. Scaffolds are new-generation, easy-to-manufacture materials with excellent EMI shielding performance. Rare earth (RE) plays an important role in developing high-performance electromagnetic wave absorption materials due to the unique electronic shell configurations and higher ionic radii of RE elements. Ferrite-based materials are often combined with other components to achieve enhanced EMI shielding, mechanical strength, and electrical and thermal conductivity. Finally, the current challenges and future outlook of new EMI shielding materials will be highlighted in the hope of obtaining guidelines for their future development and application. Full article
(This article belongs to the Special Issue Advanced Nanomaterials for Electromagnetic Shielding and Absorption Applications)
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31 pages, 59050 KiB  
Review
Research Progress on High-Temperature-Resistant Electromagnetic Wave Absorbers Based on Ceramic Materials: A Review
by Kangkang Tang, Feihang Long, Fenghua Zhang, Hongyuan Yin, Jiuzhou Zhao, Maoqian Xie, Ying An, Weimin Yang and Baihong Chi
Nanomaterials 2025, 15(4), 268; https://doi.org/10.3390/nano15040268 - 11 Feb 2025
Cited by 1 | Viewed by 1301
Abstract
Ceramic materials have the merits of an adjustable dielectric constant, high strength, high temperature resistance, and oxidation resistance, and are thus being used as the protection matrix for carbon series, metal oxides, and other wave-absorbing materials at high temperatures. Here, progress on high-temperature-resistant [...] Read more.
Ceramic materials have the merits of an adjustable dielectric constant, high strength, high temperature resistance, and oxidation resistance, and are thus being used as the protection matrix for carbon series, metal oxides, and other wave-absorbing materials at high temperatures. Here, progress on high-temperature-resistant wave-absorbing ceramic materials is introduced through the aspects of their composition and structure. In addition, metamaterials used for such purposes, which are mainly produced through 3D printing, are also highlighted. The pros and cons of high-temperature-resistant electromagnetic wave absorbers based on ceramic materials are systematically analyzed, and possible development directions are proposed. This work may assist in the design and manufacture of a new generation of radars, ships, and aircraft. Full article
(This article belongs to the Special Issue Advanced Nanomaterials for Electromagnetic Shielding and Absorption Applications)
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