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Article
Chemistry, Physical
Wentong Yang et al.
Summary: This study reports a facile charge-driven self-assembly strategy to prepare wrinkled reduced graphene oxide wrapped polymer-derived carbon microspheres. The unique three-dimensional multi-interface structure enhances the microwave absorption capability of the microspheres. By adjusting the self-assembly cycle times, the dielectric properties and impedance matching characteristics of the microspheres can be optimized. The research demonstrates the potential of constructing a high-performance microwave absorber through the unique 3D multi-interface structure.
JOURNAL OF COLLOID AND INTERFACE SCIENCE
(2023)
Article
Chemistry, Physical
Bingkun Xu et al.
Summary: The combination of rational microstructure construction and dielectric-magnetic loss synergy helps achieve thin thickness, strong absorption, and wide frequency bandwidth for absorbers.
APPLIED SURFACE SCIENCE
(2023)
Article
Chemistry, Physical
Ruiwen Shu et al.
Summary: In this study, a ternary composite aerogel of nitrogen-doped reduced graphene oxide/nickel ferrite@silicon dioxide modified by amino groups (NRGO/NiFe2O4@m-SiO2) was successfully synthesized. The resulting composite aerogels exhibited a special three-dimensional porous network architecture. Coating SiO2 and modifying amino groups on the surfaces of SiO2 significantly enhanced the electromagnetic absorbing capacity of NRGO/NiFe2O4 composite aerogel. The as-fabricated NRGO/NiFe2O4@m-SiO2 composite aerogel showed a broadband effective absorption bandwidth of 7.04 GHz (10.96-18.0 GHz) and robust absorbing intensity of -30.8 dB at 2.1 mm under a small filling ratio of 12.5 wt%.
Article
Engineering, Multidisciplinary
Mengfei Feng et al.
Summary: There is a high demand for metamaterials with low density, thin thickness, and broadband microwave absorption in the aerospace stealth field. To achieve satisfactory impedance matching between free space and metamaterials subject to these constraints, a material-structure collaborative approach is proposed. This approach involves nanomaterial synthesis, unit cell optimization, and absorption mechanism analysis. The optimized metamaterial demonstrates excellent performance in terms of effective absorption bandwidth, low density, and thin thickness.
COMPOSITES PART B-ENGINEERING
(2023)
Article
Engineering, Multidisciplinary
Yijing Zhao et al.
Summary: Fe-doped and SiC nanoparticle-loaded carbon fibrous membranes and their multiscale composites were developed for effective absorption of broadband electromagnetic waves and acoustic waves. The incorporation of nanoparticles and the design of multilayer structures allow for excellent absorption performance.
COMPOSITES PART B-ENGINEERING
(2023)
Article
Nanoscience & Nanotechnology
Wenwen Fu et al.
Summary: Using a simple one-pot interfacial polymerization method, Ag/AgCl heterojunction (HAg) nanoparticles were successfully decorated on polyaniline (PANI)/graphene oxide (GO) sheets. The synthesized HAg/PANI/GO hybrid exhibited superior microwave absorption performance due to its multi-heterogeneous and hierarchical structures, resulting in various interface polarizations, dipolar relaxations, and improved impedance matching. The optimum HAg/PANI/GO hybrid achieved a minimum reflection loss of -61.14 dB at 11.32 GHz, with an effective absorption bandwidth of 4.77 GHz in the range of 9.70 to 14.47 GHz. This work provides a strategy for achieving high microwave absorption performance through the production of multi-heterogeneous and hierarchical structures.
ACS APPLIED NANO MATERIALS
(2023)
Article
Engineering, Manufacturing
Ruiwen Shu et al.
Summary: In this study, magnetic Co/C composites were prepared by room temperature stirring and high temperature pyrolysis processes. The micromorphology of Co/C composites changed from flower-like shape to rhombic dodecahedron with the increase of methanol volume fraction. The electromagnetic absorption performance of Co/C composites could be regulated by changing the solvent composition, filler loading ratio, and matching thickness. The obtained Co/C composites exhibited excellent electromagnetic absorption performance with a minimum reflection loss of -82.19 dB at 16.16 GHz under a thin thickness of 1.85 mm. The maximum absorption bandwidth of 6.56 GHz was achieved at a thickness of 2.01 mm. The study also clarified the electromagnetic dissipation mechanisms. Therefore, this research provides a reference for the preparation of magnetic carbon composites as broadband and efficient electromagnetic absorbers derived from metal organic frameworks.
COMPOSITES PART A-APPLIED SCIENCE AND MANUFACTURING
(2023)
Article
Chemistry, Physical
Sihai Lv et al.
Summary: This study proposes the incorporation of manganese oxide into carbon matrix magnetic composites to enhance the electromagnetic wave (EMW) absorption properties. Multiple interfacial ternary-component Fe3C/MnO/Nitrogen-doped carbon (NC) absorbers were synthesized through facile hydrothermal, oxidative polymerization, and carbothermal reduction processes. The designed composites exhibit excellent EMW absorption properties, with an effective absorption bandwidth of 4.88 GHz (13.12-18 GHz) at a mere thickness of 1.5 mm. The outstanding performance of EMW absorption can be attributed to effective modulation of electromagnetic parameters through a large number of heterogeneous interfaces, defects, and magnetic loss. Meanwhile, adjusting the filling ratios of the composites in the absorber can significantly adjust the electromagnetic parameters of the samples. This work presents an effective approach for the preparation of high-performance EMW absorbers with ternary components, as well as a strategy for developing novel broadband absorbers that are lightweight and have thin thickness.
JOURNAL OF ALLOYS AND COMPOUNDS
(2023)
Article
Chemistry, Physical
Ruiwen Shu et al.
Summary: In this study, a nitrogen-doped reduced graphene oxide/hollow copper ferrite hybrid composite was prepared. It exhibited a unique entanglement structure and its electromagnetic wave absorption properties could be controlled by adjusting the amount of hollow copper ferrite. Under optimal conditions, the composite showed excellent electromagnetic wave absorption performance at a thin matching thickness and low filling ratio. Furthermore, the absorption capacity was significantly enhanced when the matching thickness increased.
JOURNAL OF COLLOID AND INTERFACE SCIENCE
(2023)
Article
Chemistry, Physical
Bingkun Xu et al.
Summary: In this study, unique 2D accordion-like SiC/C composites were successfully prepared through a microwave-assisted method and carbothermal reduction strategy. Microstructural modification and multicomponent modulation were achieved by regulating the carbothermal reduction temperature. The results demonstrate that the 2D accordion-like SiC/C composites exhibit superior electromagnetic wave absorption properties.
Article
Materials Science, Ceramics
Bingkun Xu et al.
Ceramics International
(2023)
Article
Materials Science, Ceramics
Bingkun Xu et al.
Summary: Hollow porous Ni@SiC nanospheres were successfully constructed by combining a carbothermal reduction preparation strategy and subsequent electroless plating process. The heterogeneous dielectric/magnetic multi-component structure of the nanospheres contributes to their excellent electromagnetic wave absorption properties.
CERAMICS INTERNATIONAL
(2023)
Article
Engineering, Environmental
Shanshan Zhang et al.
Summary: In this study, a facile metal-polyphenol network coating strategy was proposed to construct magnetic carbon-based MWCNTs decorated TiN0.9/NC absorbers derived from non-magnetic MIL-125(Ti). The regulation effect of carbothermal temperature on the magnetism, defect density, graphitization degree, and electromagnetic parameters of the absorbers was systematically investigated. The obtained composites exhibited outstanding microwave absorption performance due to the magnetic-dielectric synergistic effect and improved impedance matching, with a minimum reflection loss of -42.55 dB and an effective absorption bandwidth of 4.6 GHz at an ultra-thin thickness of 1.38 mm. This study provides a new approach for constructing efficient magnetic carbon-based microwave absorption materials with non-magnetic metal-based MOFs and holds significant importance for the preparation of ultra-thin absorbers.
CHEMICAL ENGINEERING JOURNAL
(2023)
Review
Chemistry, Multidisciplinary
Zhengchen Wu et al.
Summary: Electromagnetic wave absorption materials with core-shell structures can enhance performance through interfacial polarization, conduction networks, magnetic coupling, and magnetic-dielectric synergy. This review outlines the recent advances in low-dimensional core-shell electromagnetic wave absorption materials and discusses notable examples. Key information regarding dimensional design, structural engineering, performance, and structure-function relationship is comprehensively summarized.
ADVANCED MATERIALS
(2022)
Article
Engineering, Multidisciplinary
Wen Zheng et al.
Summary: A novel absorbing material with a flexible sandwich structure (S121) has been designed and assembled using a combination of foam and film to achieve full X-band absorption. The material is lightweight, low-density, and flexible, showing excellent absorption characteristics in the X-band, making it suitable for applications in this frequency range.
COMPOSITES PART B-ENGINEERING
(2022)
Article
Engineering, Multidisciplinary
Qinniu Lv et al.
Summary: This study designed a honeycomb structure material with lightweight and high-efficiency electromagnetic interference shielding (EMI SE) using 3D printing technology. The optimal printed material showed a high electrical conductivity up to 110.8 S/m and outstanding EMI SE property of 53.5 dB. The study also revealed the intrinsic connection between the porous structure of the components and the shielding mechanism.
COMPOSITES PART B-ENGINEERING
(2022)
Article
Engineering, Mechanical
Huan Huang et al.
Summary: This paper investigates the effect of acid environment on the performance of high temperature vulcanized silicone rubber used in composite insulators. The results show that the performance of silicone rubber is degraded under the combined action of acid fog and voltage, resulting in the destruction of the surface structure, severe cutting of polymer side chains, and worsened hydrophobicity. The duration time, charged voltage, and acid pH value have an impact on the material properties.
ENGINEERING FAILURE ANALYSIS
(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
Chemistry, Physical
Wenle Ma et al.
Summary: In this manuscript, a lightweight RGO/MWCNT modified melamine sponge (CGMFs) with a 3D porous triple-continuous network is developed, which exhibit much enhanced microwave absorption performance and multifunctional characteristics. The micro/nano-structure and EMA performance of CGMFs can be effectively controlled by adjusting the concentration and proportion of RGO and MWCNT. The CGMFs present remarkable effective absorption bandwidth (EAB) and extremely high reflection loss value, while also exhibiting good mechanical stability and attractive functions.
Article
Chemistry, Physical
Minyang Han et al.
Summary: Researchers explored the practical applications of FeSiAl (FSA) for microwave absorption and successfully prepared FSA/SiO2 microwave absorbers with wide absorption bandwidth and high absorption performance. A quadrilateral cone model was established by CST to investigate the impact of cone parameters on absorption performance.
JOURNAL OF ALLOYS AND COMPOUNDS
(2022)
Article
Materials Science, Multidisciplinary
Qianqian Huang et al.
Summary: Metamaterials are artificial composite structures with supernormal physical properties that allow effective manipulation of electromagnetic waves. One important application is metamaterial absorbers, which achieve perfect absorption through reasonable design. This review focuses on bionic design, new artificial design, and the use of 3D printing technology to prepare metamaterial absorbers.
JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY
(2022)
Article
Chemistry, Multidisciplinary
Minghang Li et al.
Summary: Heterogeneous interface design is a feasible way to enhance the electromagnetic wave absorbing performance of dielectric materials. This study proposes a Ti3C2Tx/MoS2 self-rolling rod-based foam, which shows excellent interfacial polarization and high electromagnetic wave absorption performance at ultralow density.
Article
Engineering, Multidisciplinary
Xiaoran Wang et al.
Summary: This study presents a metastructure for cement composites based on carbon nanotube periodic gratings, which exhibits excellent microwave absorption performance. By adjusting factors such as grating periodicity, filling fraction, and cement dielectric thickness, multiband or broadband absorption properties are achieved. This research not only provides an effective method for achieving broadband absorption in cement composites, but also proposes novel candidates for the dielectric of metamaterial absorbers.
COMPOSITES PART B-ENGINEERING
(2022)
Article
Instruments & Instrumentation
Weigang Zhang et al.
Summary: An ultra-low infrared emissivity composite coating with outstanding mechanical properties and salt water resistance was prepared. The addition of Al powder, KH560, and DOP significantly improved the mechanical properties and bonding strength of the coating. After salt water corrosion, the coating showed limited changes in performance, indicating good salt water resistance.
INFRARED PHYSICS & TECHNOLOGY
(2022)
Article
Engineering, Multidisciplinary
Zhengxian Liu et al.
Summary: Multifunctional structures with excellent microwave absorption performance and mechanical properties have recently gained attention. In this research, a novel absorption structure was designed and fabricated, combining a composite hierarchical grid structure with a 3D absorption metamaterial. The absorption bandwidth and mechanical properties of the structure were investigated and demonstrated to have broad absorption capabilities and effective load bearing.
COMPOSITES PART B-ENGINEERING
(2022)
Article
Materials Science, Multidisciplinary
Gaofeng Shao et al.
Summary: This study reports a novel multifunctional microwave absorption aerogel with high-performance electromagnetic wave absorption, mechanical strength, and multiple functionalities. The aerogel is designed based on a multilevel structural design and host-guest heterointerface engineering strategy, making it suitable for applications in complex and extreme environments.
ACS MATERIALS LETTERS
(2022)
Article
Nanoscience & Nanotechnology
Feng Luo et al.
Summary: The newly designed gradient porous structure for microwave absorbing material showed improved broadband performance with reduced reflection of electromagnetic waves and enhanced attenuation capability. This study provides a new design strategy for antiradar detection technique and shielding electromagnetic interference.
ADVANCED COMPOSITES AND HYBRID MATERIALS
(2021)
Article
Chemistry, Physical
Ping Gong et al.
Summary: A novel flexible honeycomb structural absorber (FHSA) of carbon fiber/polyamide/carbonyl iron composite was successfully fabricated via selective laser sintering (SLS) 3D-printing, showing excellent microwave absorption performance under high bending angles. Additionally, the FHSA demonstrated highly flexible deformation, self-recovery, and no-crease damage in repeated bending, making it potentially applicable in wearable functional devices and military stealth protection.
Article
Chemistry, Physical
Yiru Li et al.
Summary: This study demonstrated the preparation of silver microspheres with controllable morphology and structure for constructing absorbing hybrids. Results revealed that activation and plating solution concentration played crucial roles in enhancing the microwave absorbing performances of the hybrids.
JOURNAL OF ALLOYS AND COMPOUNDS
(2021)
Article
Chemistry, Physical
Yixing Huang et al.
Summary: A glass fiber/carbon fiber reinforced honeycomb metastructure with wide absorption bandwidth and high mechanical strength was designed and fabricated, successfully integrating electromagnetic absorption and mechanical resistance.
Article
Engineering, Multidisciplinary
Qiongzhen Liu et al.
Summary: This study demonstrates the high EMI shielding effectiveness of flexible Ni/PPy/PET fabrics. The research reveals a close relationship between the fractal dimension of fabrics and their EMI shielding effectiveness, suggesting that fabrics with higher fractal dimensions as base materials provide better EMI shielding effects.
COMPOSITES PART B-ENGINEERING
(2021)
Article
Chemistry, Physical
Caiyun Sun et al.
Summary: In this study, a simple and cost-effective corrosion method was developed to in situ fabricate amorphous FeNi (oxy)hydroxides with an optimized Fe/Ni atomic ratio as highly efficient OER electrocatalysts in an HCl solution at room temperature. The resulting nanosheets exhibited enhanced electrocatalytic performance in the alkaline OER process with low overpotential, high current density, and long-term durability, surpassing most reported electrocatalysts and IrO2 commercial catalyst. This corrosion method provides insights into economically producing amorphous FeNi (oxy)hydroxide catalysts for high-performance electrocatalysis.
ACS APPLIED ENERGY MATERIALS
(2021)
Article
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Peng Wang et al.
CHEMICAL ENGINEERING JOURNAL
(2020)
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Zilong Zhang et al.
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS
(2020)
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Zhouhu Deng et al.
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS
(2020)
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Idza Riati Ibrahim et al.
SCIENTIFIC REPORTS
(2020)
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Xiang Li et al.
COMPOSITE STRUCTURES
(2020)
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Weihua Gu et al.
ACS APPLIED MATERIALS & INTERFACES
(2020)
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Jing Ning et al.
RESULTS IN PHYSICS
(2020)
Review
Chemistry, Physical
Gehuan Wang et al.
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Haixia Xu et al.
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APPLIED PHYSICS A-MATERIALS SCIENCE & PROCESSING
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COMPOSITES SCIENCE AND TECHNOLOGY
(2019)
Article
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An Ling et al.
COMPOSITES PART B-ENGINEERING
(2019)
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Kai-Lun Zhang et al.
Article
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Hui Luo et al.
COMPOSITES PART A-APPLIED SCIENCE AND MANUFACTURING
(2019)
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Ranadip Bera et al.
CHEMICAL ENGINEERING JOURNAL
(2018)
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Yixing Huang et al.
COMPOSITES SCIENCE AND TECHNOLOGY
(2018)
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Yukun Li et al.
ADVANCED OPTICAL MATERIALS
(2018)
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Kai-Lun Zhang et al.
ACS APPLIED MATERIALS & INTERFACES
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MATERIALS & DESIGN
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