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Article
Chemistry, Physical
Shuo Zhang et al.
Summary: This study presents a novel composite preparation strategy to design dendritic nanofibers based on MXene nanosheets as the dendritic matrix and embedded magnetic nanoparticles. The multidimensional nanocomposites exhibit excellent conduction loss, magnetic loss, and polarization loss capabilities, and the impedance matching and loss mechanisms are improved through optimizing the structure and components. The nanocomposites show outstanding electromagnetic wave absorption performance with a wide effective absorption bandwidth.
Article
Nanoscience & Nanotechnology
Chenxi Wang et al.
Summary: In this study, a one-dimensional N-doped carbon nanofibers material encapsulating hollow Co3SnC0.7 nanocubes was successfully synthesized using electrospinning. The resulting fibers exhibited excellent microwave absorption properties due to the space charge stacking effect and impedance matching between Co3SnC0.7 and carbon network. The strategies for regulating electromagnetic performance in this study can be further extended to develop emerging absorbers using other electromagnetic functional materials.
NANO-MICRO LETTERS
(2023)
Article
Chemistry, Physical
Xiaolong Cao et al.
Summary: Tunable designs of polymorphic structured transition metal dichalcogenide (TMDC) with CoS2 magnetic double-shell microspheres show optimized electromagnetic wave absorption performance. The cobalt-doped double-shell microspheres exhibit ultra-high absorption capacity with an effective absorption bandwidth of 5.04 GHz (1.98 mm) and a minimum reflection loss value of -48.90 dB. The double-shell layer structure and metal ion hybridization improve the interfacial polarization and magnetic loss behavior, providing inspiration for the development of transition metal dichalcogenide and transition metal compound with tunable absorption properties.
JOURNAL OF COLLOID AND INTERFACE SCIENCE
(2023)
Article
Materials Science, Multidisciplinary
Xinmeng Huang et al.
Summary: In this study, two-dimensional NiCeOx nanosheet-modified carbon nanotubes (CNTs) composites were prepared via hydrothermal method. The addition ratio of nickel salt and cerium salt was adjusted to form NiCeOx with different morphologies, and the introduction of CNTs effectively prevented the aggregation of NiCeOx nanosheets. Microstructural analysis revealed that hexagonal NiCeOx nanosheets with a size of 100 nm were uniformly intertwined with CNTs. The NiCeOx/CNTs composites exhibited superior electromagnetic wave absorption performance compared to pure CNTs and NiCeOx nanosheets, attributed to improved impedance matching and multiple polarization relaxation.
JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY
(2023)
Article
Engineering, Environmental
Zhongning Xiang et al.
Summary: This study prepares porous heterogeneous SiC/SiO2 microspheres using self-assembly technology and carbothermal reduction strategy. The results show that porous heterogeneous SiC/SiO2 microspheres exhibit excellent electromagnetic wave absorption properties, with a wide effective bandwidth and satisfying the comprehensive requirements of efficient EM wave absorption absorbers.
CHEMICAL ENGINEERING JOURNAL
(2023)
Article
Engineering, Environmental
Chunhua Sun et al.
Summary: This study demonstrates the optimized design of porous flower-like CZCT composites with strong absorption capability at a thinner thickness. It provides a simple strategy for constructing lightweight and adjustable MXene-based composites.
CHEMICAL ENGINEERING JOURNAL
(2023)
Article
Engineering, Environmental
Tingting Zheng et al.
Summary: Researchers have successfully developed a novel electromagnetic wave absorber with extraordinary structures by compounding a magnetic component (CoFe2O4) with a high conductivity copper-based sulfide compound (CuxS). The new material not only adjusts the electromagnetic parameters, but also enhances the attenuation ability and regulates the absorption band of electromagnetic waves. Snowflake-shaped and nanoflower-shaped CuxS/CoFe2O4 composites were fabricated through the regulation of different metal salts and solvents. This study provides a versatile strategy for achieving excellent and tunable electromagnetic wave absorption performance using copper-based sulfide compounds.
CHEMICAL ENGINEERING JOURNAL
(2023)
Article
Chemistry, Physical
Yan Wang et al.
Summary: This paper successfully designed a 3D hierarchical Co/CNS/rGO magnetic-dielectric composite with controllable composition and microstructure as a high-efficiency absorber, displaying strong microwave attenuation and broad absorption frequency band. The nanocomposite with porous structure promoted multiple reflection and scattering, thereby improving the attenuation capacity.
Article
Materials Science, Ceramics
Pengfei Yin et al.
Summary: By adjusting the microstructure of composites, the absorption capacity of microwave radiation can be effectively enhanced, leading to a wider absorption band. In this study, a (Ni/NiO)@C composite with radial structure was obtained through co-hydrothermal and annealing methods, demonstrating the importance of regulating the microstructure for microwave absorption.
CERAMICS INTERNATIONAL
(2022)
Article
Engineering, Environmental
Jinkun Liu et al.
Summary: The study introduces a novel absorber of CuFe2O4/MoS2 composite, which combines magnetic ferrite CuFe2O4 with 2D MoS2 nanosheets to achieve a wide effective absorption bandwidth. The cooperative interaction of dielectric and magnetic loss results in effective absorption of electromagnetic waves in the entire Kuband and part of the X-band. This work presents a strategy for obtaining novel high-performance absorbers.
CHEMICAL ENGINEERING JOURNAL
(2022)
Article
Engineering, Multidisciplinary
Junjie Pan et al.
Summary: The two-dimensional lamellar Co/C (NCC) and Fe/C (NFC) nanocomposites prepared using a sodium chloride hard template exhibit higher degree of graphitization and dielectric loss compared to three-dimensional bulk composites. These nanocomposites show excellent microwave absorption properties, with NFC achieving an effective absorption bandwidth of 5.4 GHz. The nanocomposites also demonstrate excellent electromagnetic wave scattering and absorption, with NFC having a small RCS value of only -8.098 dBm(2) under vertical incidence.
COMPOSITES PART B-ENGINEERING
(2022)
Article
Engineering, Multidisciplinary
Lipeng Wu et al.
Summary: In this study, a series of metal/nitrogen co-doped hollow carbon nanorods were successfully fabricated, with Co-NHCR showing remarkable electromagnetic wave absorption performance. This indicates its promising applications in lightweight and high-performance electromagnetic wave absorption.
COMPOSITES PART B-ENGINEERING
(2022)
Article
Nanoscience & Nanotechnology
Ping Song et al.
Summary: With the rapid development of fifth-generation mobile communication technology and wearable electronic devices, the need for highly efficient EMI shielding materials has become crucial. In this study, a three-dimensional graphene oxide (GO) with regular honeycomb structure (GH) was constructed using sacrificial template and freeze-drying methods. Amino functionalized FeNi alloy particles (f-FeNi) were loaded onto the GH skeleton followed by in-situ reduction to prepare rGH@FeNi aerogel. The resulting rGH@FeNi/epoxy composites with a low rGH@FeNi mass fraction of 2.1 wt% exhibited a high EMI shielding effectiveness (EMI SE) of 46 dB, which is 5.8 times higher than that of rGO/FeNi/epoxy composites with the same mass fraction. The composites also displayed excellent thermal stability and mechanical properties.
NANO-MICRO LETTERS
(2022)
Review
Chemistry, Multidisciplinary
Ming Qin et al.
Summary: Comprehensive views on dielectric loss mechanisms provide important guidance for understanding the attenuation behavior of materials. Current researches focus more on materials synthesis rather than in-depth mechanism study. Therefore, further research on in-depth mechanisms, emphasis on new dielectric loss mechanisms, and new modulation strategies are needed to achieve simple and effective EM wave attenuation behavior modulation.
Article
Engineering, Environmental
Liang Chai et al.
Summary: The micromorphology of absorbent materials significantly impacts microwave absorption performance, and using hierarchically structured HDNCO can improve impedance matching and absorption performance. The Ostwald ripening process alters the structure and morphology of HDNCO, leading to enhanced absorption properties. This study provides important guidance for the structural design of high-performance microwave absorbers.
CHEMICAL ENGINEERING JOURNAL
(2022)
Article
Chemistry, Physical
Xuan Yang et al.
Summary: In this study, a novel CI/CF composite with a three-dimensional reticulated structure is fabricated for the first time, which can simultaneously regulate the dielectric and magnetic losses in wide temperature ranges. The CI/CF composites show ultra-stable wide effective absorbing bandwidths at a thickness of only 1 mm, making them promising materials for high-temperature microwave absorption.
Article
Engineering, Environmental
Tianqi Hou et al.
Summary: The widespread use of communication equipment has led to the deterioration of the electromagnetic environment, necessitating the development of more efficient electromagnetic wave absorption materials. By modifying Ti3C2Tx MXene composites with magnetic NiCo/Carbon nanotubes (CNTs), the absorption of electromagnetic waves is achieved.
CHEMICAL ENGINEERING JOURNAL
(2022)
Article
Engineering, Multidisciplinary
Fei Wu et al.
Summary: In recent years, metal-organic framework (MOF)-derived absorbers have gained significant attention in the field of microwave absorption. This study successfully constructs binary and ternary assemblies using unique anisotropic epitaxial growth strategies. The resulting absorbers are converted into magnetic porous carbon-based materials with excellent electromagnetic loss capabilities. The optimized absorber achieves improved microwave absorbing properties compared to the initial assembly.
COMPOSITES PART B-ENGINEERING
(2022)
Review
Materials Science, Multidisciplinary
Chenxi Wang et al.
Summary: This research presents a solvent-free method for synthesizing Co-MOF and its derivatives, and investigates their electromagnetic wave absorption properties. The obtained CoSn/NC composites show excellent performance in absorbing electromagnetic waves.
JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY
(2022)
Article
Materials Science, Multidisciplinary
Yue Liu et al.
Summary: A series of manganese oxides/porous carbon hybrid composites were obtained by a two-step process, and it was found that different manganese oxides have different effects on the dielectric properties of absorbers. The addition of porous carbon is crucial for enhancing the EMA performance of composites, improving impedance matching and conductive loss.
JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY
(2022)
Article
Chemistry, Physical
Yuchang Wang et al.
Summary: This study reports a multifunctional electromagnetic absorbing and electromagnetic interference shielding material using graphene-wrapped multiloculated NiFe2O4 composites. The conductive networks formed by graphene and the multiloculated structure of NiFe2O4 optimize the dielectric constant of the composites and establish a magnetic-dielectric synergy effect. The material also exhibits good electrocatalytic activity. This work provides an excellent jumping-off point for the development of multifunctional EM absorbing materials, eco-friendly EMI shielding materials, and electrocatalysts.
Article
Nanoscience & Nanotechnology
Hanxiao Xu et al.
Summary: A spatial confined growth strategy encapsulating small-size MOFs derivatives into hollow carbon nanocages was proposed, showing significant spatial confinement effect on the crystal size and dielectric polarization. The phase hybridization induced by size-dependent oxidation motion led to satisfying microwave attenuation, with optimal reflection loss and effective bandwidth achieved. The strategy offers a versatile methodology for manipulating the size of MOFs derivatives and optimizing dielectric polarization and microwave attenuation.
NANO-MICRO LETTERS
(2022)
Article
Materials Science, Ceramics
Aming Xie et al.
Summary: This work investigates the dielectric loss behavior and electromagnetic wave absorption (EMA) property of MoO2 ceramic from single crystal to polycrystal. It is found that polycrystal MoO2 exhibits better dielectric loss ability than single crystal MoO2, resulting in significantly enhanced EMA performance. The research determines that polarization loss plays a dominant role in the dielectric loss of MoO2 ceramic.
CERAMICS INTERNATIONAL
(2022)
Article
Materials Science, Multidisciplinary
Siyao Cheng et al.
Summary: A two-step strategy was used to synthesize carbon nanofilm stabilized twisty V2O3 nanorods (V2O3@C), which exhibited enhanced electrical conductivity and excellent electromagnetic waves absorption (EMA) performance. This work provides new insights into the design of advanced nanocomposites for EMA applications.
JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY
(2022)
Article
Chemistry, Multidisciplinary
Zehao Zhao et al.
Summary: This study proposes a new strategy to overcome the limitations of current EMW absorbers by combining functional polymer frameworks and liquids with strong EMW absorption properties. The gels formed by immobilizing different liquids in the polymer networks can achieve precise tuning of EMW absorption performances.
ADVANCED MATERIALS
(2022)
Article
Chemistry, Physical
Yumei Luo et al.
Summary: To eliminate the hazards caused by electromagnetic pollution, a microwave absorbing composite consisting of biomass-derived porous carbon and efficient magnetic component was prepared. The resulting material exhibited excellent microwave absorption properties due to the synergistic effect of magnetic and dielectric loss under decent impedance matching.
Article
Engineering, Environmental
Pengfei Yin et al.
Summary: In this study, a novel composite material was synthesized using a unique method, which showed excellent performance in absorbing microwave radiation, with a broad absorption bandwidth and appropriate absorption intensity.
CHEMICAL ENGINEERING JOURNAL
(2022)
Article
Chemistry, Physical
Xiaoxuan He et al.
Summary: Magnetoelectric coupling is a key strategy for obtaining high-performance microwave absorption materials. In this study, a simple strategy combining solvothermal method and annealing in an inert atmosphere is used to combine CoNi magnetic alloys with graphitized carbon into composite spherical particles. The correlation among the graphitization degree, component proportion, and dielectric response ability is carefully studied to achieve flexible micromorphology design and tunable microwave absorption performance.
JOURNAL OF COLLOID AND INTERFACE SCIENCE
(2022)
Article
Materials Science, Multidisciplinary
Zirui Jia et al.
Summary: The development of global information technology has led to increased electromagnetic radiation in the surrounding environment, creating a need for high-performance electromagnetic wave absorbers to eliminate electromagnetic pollution. This study presents a method to prepare Co/ZnO/C@MWCNTs composites with excellent electromagnetic loss capability. Experimental results show that at low sample content, the composites exhibit impressive reflection loss and absorption bandwidth.
JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY
(2022)
Article
Chemistry, Multidisciplinary
Hongsheng Liang et al.
Summary: In this work, the modulation of morphology, composition, interface, defects, and conductivity is achieved by adjusting the ratio of copper salt to reducing agent chitosan. The appearance of twin boundaries accelerates the ability of the homogeneous interfaces to transfer charges, resists the oxidation of metal Cu-0, keeps the high electric conductivity of Cu-0 nanoparticles, and enhances the conduction loss, providing a boost for electromagnetic wave dissipation.
Article
Chemistry, Physical
Shuo Zhang et al.
Summary: A novel composite preparation strategy based on electrostatic spinning methods has been proposed in this study to design dendritic nanofibers using two-dimensional metal carbide or nitride materials (MXenes) as the matrix and embedded magnetic nanoparticles as magnetic loss units. The resulting multidimensional nanocomposites exhibit exceptional conduction loss, magnetic loss, and polarization loss capabilities due to interlaced carbon fiber networks, large-scale magnetically coupled networks, and multi-heterojunction interface structures. The composites achieve optimum reflection loss and a wide effective absorption bandwidth, making them potential lightweight and efficient electromagnetic wave protective fabric in harsh environments.
Article
Materials Science, Multidisciplinary
Jiaoyan Shi et al.
Summary: This study demonstrates the use of molecular engineering concepts to control the structure of aromatic polymers and obtain high-performance derived carbon materials. By creating dipole polarization and dielectric resonance loss, the resulting derived carbon materials show outstanding electromagnetic wave absorption properties.
JOURNAL OF MATERIALS CHEMISTRY C
(2022)
Article
Chemistry, Multidisciplinary
Si-Qi Zhu et al.
Summary: In this study, a novel needlelike Co3O4/C array architecture is constructed, which possesses high-efficiency electromagnetic shielding and good thermal insulation properties, and can also be used to construct high-performance supercapacitors.
Article
Nanoscience & Nanotechnology
Xinmeng Huang et al.
Summary: CeO2/porous carbon composites exhibit enhanced electromagnetic wave absorption performance compared to pure porous carbon materials, showing promising potential for application in dealing with electromagnetic interference and pollution.
ADVANCED COMPOSITES AND HYBRID MATERIALS
(2021)
Article
Chemistry, Physical
Xi-Xi Wang et al.
Summary: Multiscale tailoring of dielectric genes enables a significant improvement in the maximal reflection loss to -58.1 dB at T = 423 K with a greatly reduced matching thickness of 1.16 mm, and an effective absorption efficiency (A(eff)) higher than 70% for electromagnetic interference shielding performance. These findings open up unexpected possibilities for smart material design in the upcoming 5G era, providing a great boost for advancing next-generation smart devices and environmental governance and protection.
Article
Chemistry, Physical
Jiaqi Tao et al.
Summary: The core-shell structure provides abundant possibilities for material design, particularly in the field of microwave absorption. By studying the relationships between shell structure, component content, and graphitization degree, effective microwave absorption materials with multi-polarization effects can be obtained.
Article
Materials Science, Multidisciplinary
Jiabin Chen et al.
Summary: By preparing carbon fibers@Co-ZIFs derivations as advanced EM wave absorbing materials and optimizing the interface for maximum reflection loss, electromagnetic wave interference pollution can be effectively reduced. Additionally, absorbing composite coatings designed using simulation methods can effectively reduce radar reflection signals, providing a reference for preparing absorbing materials and designing coatings.
JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY
(2021)
Article
Materials Science, Multidisciplinary
Xinfeng Zhou et al.
Summary: The study successfully synthesized Ni/NiO@C hybrid composites with tunable Ni proportion through a two-step process. By controlling the calcination time and adjusting the Ni source, the optimal electromagnetic wave absorption performance was achieved, providing a feasible reference for the absorption mechanism of absorbers.
JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY
(2021)
Article
Chemistry, Physical
Lei Wang et al.
Summary: Efficient modulation of surface magnetic configurations and electromagnetic responses can be achieved by controlling the growth of magnetic materials. The in situ orientation growth strategy developed here for Fe3O4-Fe3O4@C heterojunctions has demonstrated excellent energy conversion capacity towards electromagnetic waves. The magnetic-dielectric microspheres exhibit strong reflection loss and ultra-wide absorption region, contributing to the understanding of energy conversion mechanisms.
Article
Chemistry, Physical
Lei Lei et al.
Summary: Hydrangea-like Ni/NiO/C composites with superior microwave absorption performance were successfully synthesized by in-situ pyrolysis stemming from Ni-MOFs. The composition and structure can be adjusted by controlling the pyrolysis temperature. The composites exhibit a broad effective absorption bandwidth and the maximum reflection loss, making them ideal candidates for highly efficient microwave absorption materials.
Article
Chemistry, Physical
Huanqin Zhao et al.
Summary: Developing ultralight microwave absorbers with good heat-insulating properties is crucial for modern society. Graphene-like porous carbon nanosheets derived from waste pomelo peel exhibit superior thermal insulation and microwave absorption properties. The unique 2D morphology and high porosity contribute to their excellent performance.
Article
Chemistry, Physical
Xiaochuang Di et al.
Summary: Thin and lightweight absorbers with strong absorption capacity are the future direction in EMW absorption research. The carbon@ZnFe2O4 composite in this study exhibited excellent microwave absorption performance with significant absorption capabilities at low thickness and filler loading.
Review
Chemistry, Multidisciplinary
Jin-Cheng Shu et al.
Summary: Metal-organic frameworks (MOFs) and their derivatives have unique 3D microstructures and enhanced electromagnetic properties, showing vast potential in electromagnetic functional materials and devices, drawing significant attention from both domestic and foreign researchers. Research focuses on the design strategy of MOF monomers and systematically analyzing the electromagnetic response mechanism, with an emphasis on their applications in microwave absorption and electromagnetic interference shielding. A clear insight into the rapidly growing field is provided, along with a summary and prediction of current challenges and future research directions.
ADVANCED FUNCTIONAL MATERIALS
(2021)
Article
Chemistry, Physical
Xiaochuang Di et al.
Summary: The study presents a nanocomposite composed of Ni/C nanospheres derived from Ni-MOF and nitrogen-doped biomass-derived carbon, showing excellent microwave absorption performance.
Article
Engineering, Manufacturing
Ruiwen Shu et al.
Summary: NiCo alloy@C (NCC) composites with a unique yolk-shell structure were fabricated through high-temperature pyrolysis, showing the potential to regulate electromagnetic parameters and absorption capacity by adjusting the carbonization temperature and filler contents. The achieved NCC composite demonstrated the integrated optimal absorption capacity with minimum reflection loss under an ultrathin thickness and wide absorption bandwidth, with underlying absorption mechanisms revealed.
COMPOSITES PART A-APPLIED SCIENCE AND MANUFACTURING
(2021)
Article
Chemistry, Physical
Mao-Sheng Cao et al.
Summary: This study investigates the crucial role of understanding dominating electromagnetic response and energy conversion for achieving tunable electromagnetic function at elevated temperature. By analyzing dielectric genes inside 2D carbon-based materials, especially genetic genes, the contribution of conduction and relaxation to electromagnetic response is highlighted. The detailed evolution of dielectric genes related to Fe3O4 content, temperature, and spatial distribution provides a promising approach for tunable microwave absorption performance.
Article
Materials Science, Multidisciplinary
Siyao Cheng et al.
Summary: The study showed that tuning the surface oxygen vacancy of VO2 through VO2-NaBH4 grinding treatment can affect its electromagnetic absorption properties. The oxygen vacancy content is closely related to the electrical conductivity, and the performance can be adjusted by changing the mass ratio of VO2 and NaBH4.
JOURNAL OF MATERIALS CHEMISTRY C
(2021)
Article
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Xinfeng Zhou et al.
COMPOSITES COMMUNICATIONS
(2020)
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Chemistry, Multidisciplinary
Ryan A. Dodson et al.
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
(2020)
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Peng Miao et al.
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Huanqin Zhao et al.
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COMPOSITES PART A-APPLIED SCIENCE AND MANUFACTURING
(2019)
Article
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Hongjing Wu et al.
Article
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Hongjing Wu et al.
JOURNAL OF MATERIALS CHEMISTRY C
(2015)
Article
Physics, Applied
Ruey-Bin Yang et al.
JOURNAL OF APPLIED PHYSICS
(2011)
Article
Physics, Condensed Matter
Haitao Zhao et al.
PHYSICA B-CONDENSED MATTER
(2009)
Article
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Fang-Kuo Wang et al.
Article
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Nujiang Tang et al.
JOURNAL OF PHYSICAL CHEMISTRY C
(2008)