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Porous Functional Materials for Environmental and Surface Protection

A special issue of International Journal of Molecular Sciences (ISSN 1422-0067). This special issue belongs to the section "Materials Science".

Deadline for manuscript submissions: closed (31 May 2023) | Viewed by 2901

Special Issue Editors


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Guest Editor
College of Material Science and Engineering, Chongqing University, Chongqing 400044, China
Interests: environmental protection; sustainability; renewable energy source; sewage treatment; anti-corrosion technology
Special Issues, Collections and Topics in MDPI journals

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Guest Editor
School of Materials Science and Engineering, Southeast University, Nanjing 211189, China
Interests: wettability; functional coatings; colloids and interfaces; environmental functional materials
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

With the increasing scarcity and instability of land resources in recent years, more and more attention has been paid to marine resources. Ocean-going vessels and modern detection technologies are playing an increasingly important role, with wireless communications, radar systems, and high-frequency-circuit devices becoming crucial in the detection of marine resources as well as in ocean-going navigation. As a result, electromagnetic (EM) interference and electromagnetic compatibility should be taken seriously. In addition, equipment that has long been operating in tropical pelagic areas is at risk of being eroded by high humidity, high temperatures, high salt spray, and high UV rays. Therefore, it is a challenging task to improve the microwave absorbing property of materials and endow them with excellent corrosion inhibition ability, so as to manufacture anti-corrosion microwave absorbing materials with integrated structure and function. Porous materials have large surface–volume ratio, unique electromagnetic wave attenuation function, and strong adsorption capacity, which provides a broad space and opportunity for loading corrosion inhibition active substances, large-scale preparation of wave absorption materials, and environmental protection (adsorption of pollutants). Therefore, porous materials play an important role in microwave absorption (and electromagnetic shielding) and equipment anti-corrosion.

Although various types of porous and nano-wave absorbing magnetic materials have made good progress in corrosion inhibition and electromagnetic pollution prevention, there are still major challenges to be solved. This Special Issue aims at the latest application progress of porous materials in magnetism (electromagnetic shielding), corrosion inhibition, integration of wave absorption and anti-corrosion, and environmental protection. In particular, this includes multifunctional applications, such as electromagnetic absorption/shielding and corrosion protection. We look forward to your research and comments in all fields of magnetism, physics, chemistry, and materials science, especially interdisciplinary research combining different fields. Other relevant studies not mentioned above are also welcome.

Prof. Dr. Yuxin Zhang
Prof. Dr. Youfa Zhang
Guest Editors

Manuscript Submission Information

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Keywords

  • ferromagnetic wave absorbent
  • ferromagnetic nanomaterials
  • nano-porous absorbent
  • nano-porous catalysts
  • ferromagnetic metal-based electromagnetic protection materials
  • diatomite-based porous ceramics electromagnetic protection materials
  • multifunctional absorbing material
  • graphene-based electromagnetic protection materials
  • carbon-nanotube-based electromagnetic protection materials
  • nanostructured electromagnetic protection materials
  • nanoscale electromagnetic protection materials
  • nanocomposite electromagnetic protection materials
  • nanomaterial-based applications for electromagnetic protection
  • magnetic nanomaterial-based applications for microwave absorption
  • porous nanomaterial-based applications for electromagnetic shielding
  • nanomaterial-based applications for electromagnetic metamaterials
  • anti-corrosion absorbing material
  • temperature-resistant absorbing material
  • environmental protection

Published Papers (1 paper)

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Research

14 pages, 2608 KiB  
Article
Core-Shell Structured SiO2@NiFe LDH Composite for Broadband Electromagnetic Wave Absorption
by Zhilan Du, Dashuang Wang, Xinfang Zhang, Zhiyu Yi, Jihai Tang, Pingan Yang, Rui Cai, Shuang Yi, Jinsong Rao and Yuxin Zhang
Int. J. Mol. Sci. 2023, 24(1), 504; https://doi.org/10.3390/ijms24010504 - 28 Dec 2022
Cited by 19 | Viewed by 2408
Abstract
In this work, a novel core-shell structure material, NiFe layered double hydroxide (NiFe LDH) loaded on SiO2 microspheres (SiO2@NiFe LDH), was synthesized by a one-step hydrothermal method, and the spontaneous electrostatic self-assembly process. The morphology, structure, and microwave absorption properties [...] Read more.
In this work, a novel core-shell structure material, NiFe layered double hydroxide (NiFe LDH) loaded on SiO2 microspheres (SiO2@NiFe LDH), was synthesized by a one-step hydrothermal method, and the spontaneous electrostatic self-assembly process. The morphology, structure, and microwave absorption properties of SiO2@NiFe LDH nanocomposites with different NiFe element ratios were systematically investigated. The results show that the sample of SiO2@NiFe LDH-3 nanocomposite has excellent microwave absorption properties. It exhibits broadband effective absorption bandwidth (RL < −10 dB) of 8.24 GHz (from 9.76 GHz to 18.0 GHz) and the reflection loss is −53.78 dB at the matched thickness of 6.95 mm. It is expected that this SiO2@NiFe-LDH core-shell structural material can be used as a promising non-precious, metal-based material microwave absorber to eliminate electromagnetic wave contamination. Full article
(This article belongs to the Special Issue Porous Functional Materials for Environmental and Surface Protection)
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