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Article
Chemistry, Physical
Guangle Li et al.
Summary: Recently, the study of Langmuir-Blodgett (LB) films has been primarily focused on self-assembled monolayers at the air-water surface, with limited research on the oil-water interface. This study introduces a new experimental method called constrained drop surfactometry (CDS) for preparing and characterizing LB films from the oil-water interface.
JOURNAL OF COLLOID AND INTERFACE SCIENCE
(2023)
Article
Nanoscience & Nanotechnology
Zirui Jia et al.
Summary: Ni-Co/PC composite is prepared by introducing metal Co element with Ni-MOF/PC as precursor. Then a series of Ni-Co bimetal/PC composites are prepared by polyaniline coating, oxidation reaction, and vulcanization reaction. It is found that vulcanization reaction was the best path for the electromagnetic wave absorption performance of the product. The minimum reflection loss (RLmin) of NiCo2S4/PC composite reaches - 67.81 dB at the sample thickness of 2.6 mm, and the maximum effective absorption bandwidth (EAB) reaches 6.16 GHz when the sample thickness is 2.1 mm. NiCo2S4/PC composite is an ideal electromagnetic wave absorber due to its excellent electrical conductivity, rich surface, and high attenuation capability.
ADVANCED COMPOSITES AND HYBRID MATERIALS
(2023)
Article
Chemistry, Physical
Lifu Sun et al.
Summary: Compared with other absorption materials, multicomponent carbon nanotubes composite materials have become increasingly important in the preparation of high-performance electromagnetic wave absorption materials due to their unique dielectric-magnetic advantages. In this paper, an excellent performance of Co/Cu/CrN/CNTs composite materials was prepared by the heating and disintegration of organic amine salt to achieve the restoration of oxides while derivating carbon nanotubes. Due to annealing, slim-shaped CrN evenly attached to the surface of carbon nanotubes. The material forms a rich interface and good impedance matching characteristics, thereby realizing the excellent electromagnetic wave absorption performance of the material.
Article
Materials Science, Ceramics
Yangjun Zou et al.
Summary: Hybrid fibers with a double shell structure (Ti3SiC2 and carbon nanotubes (CNTs)) were successfully synthesized on silicon carbide fiber (SiCf) using molten salt method and floating catalytic chemical vapor deposition. The coating of Ti3SiC2 and CNTs on the hybrid fibers allowed for modulation of the dielectric permittivity. The resulting CNT@Ti3SiC2@SiCf showed excellent electromagnetic wave absorption performance due to the combination of conductive and dielectric losses.
CERAMICS INTERNATIONAL
(2023)
Article
Chemistry, Physical
Shiming Hao et al.
Summary: SiC/multilayer graphene composite powders and SiC nanopowders were successfully synthesized via a carbothermal reduction method using silicon dioxide and expanded graphite. The influences of catalyst content, heat treatment temperature, and graphite/SiO2 molar ratio on powder synthesis were investigated. The composite powders exhibited optimal electromagnetic wave absorption properties, with a minimum reflection loss of -53.62 dB at a frequency of 13.95 GHz and a thickness of 2.04 mm when the filling ratio was 30 wt%. The introduction of Fe catalyst significantly reduced the formation temperature of 3C-SiC powders.
JOURNAL OF ALLOYS AND COMPOUNDS
(2023)
Article
Chemistry, Physical
Liang Yan et al.
Summary: In this study, Rh-doped cobalt-nickel-layered double hydroxide (CoNi LDH) nanosheet arrays with abundant oxygen vacancies (Ov) in-situ grown on Ti3C2Tx MXene nanosheets (Rh-CoNi LDH/MXene) were successfully synthesized. The Rh-CoNi LDH/MXene exhibited excellent long-term stability and a low overpotential for hydrogen evolution reaction (HER) due to its optimized electronic structure. The incorporation of Rh dopant and Ov into CoNi LDH and the coupling interface between Rh-CoNi LDH and MXene were found to enhance hydrogen adsorption energy and accelerate the hydrogen evolution kinetics, providing a promising strategy for designing highly efficient electrocatalysts in electrochemical energy conversion devices.
JOURNAL OF COLLOID AND INTERFACE SCIENCE
(2023)
Article
Materials Science, Multidisciplinary
Zhanhong Xu et al.
Summary: This paper presents a LiF + HCl etching method combined with freeze-drying to prepare Ti3C2TX MXene with different etching states. The morphological changes from stacked to accordion structure and finally to ultra-thin dispersed sheets were observed. The electromagnetic properties and surface functionalization were also investigated. The effective absorption bandwidth (EAB) of the samples increased with decreasing thickness, and the minimum thickness achieved in Ti3C2-related reports was reported.
JOURNAL OF MATERIALS SCIENCE
(2023)
Article
Chemistry, Physical
Yuelei Pan et al.
Summary: Six different morphologies of N-Ni/C nanostructures were prepared by one-step hydrothermal method and high temperature carbonization by adjusting the types of nickel salts and reaction solvents. The electromagnetic wave absorption performance of these nanostructures was compared and analyzed. Among them, the nanoflower-like N-Ni/C composite exhibited excellent dielectric loss and magnetic loss synergistic effect, leading to superior electromagnetic wave absorption properties. The minimum reflection loss value at a thickness of 1.9 mm was -59.56 dB at 16.88 GHz, and the effective absorption bandwidth value reached 6.0 GHz at a thickness of 2.2 mm. The research findings highlight the significant influence of different morphologies and multiple lattice structures on electromagnetic wave absorption performance, providing new research ideas for the development of high-performance absorbing materials.
Article
Chemistry, Multidisciplinary
Tianqi Hou et al.
Summary: The combination of carbon materials and magnetic elements is an effective strategy for high-performance electromagnetic wave (EMW) absorption materials. By tuning the dielectric properties and magnetic loss properties of the carbon skeleton loaded with Cr compound particles, the EMW absorption performance can be enhanced.
Article
Materials Science, Multidisciplinary
Yanhua Lei et al.
Summary: In this study, layered Ti3C2Tx MXene was coated with polypyrrole particles using an in-situ polymerization method, and their electromagnetic wave absorption performance was systematically investigated. The MXene/PPy composites exhibited excellent electromagnetic wave absorption performance, with the strongest reflection loss reaching -68 dB at a wavelength of 2.68 mm. Moreover, at a thickness of 2.26 mm, the effective absorption bandwidth could reach 6.56 GHz (from 11.44 to 18 GHz), covering the entire Ku band (12-18 GHz). The combined effect of multiple reflections at the heterogeneous interface and the synergistic effect between the layered MXene and conductive polypyrrole network contributed to the optimized absorption. The MXene/PPy composites, possessing strong electromagnetic wave absorption, wide effective absorption bandwidth, and corrosion resistance, are of great value in the aircraft and vessel fields.
Article
Nanoscience & Nanotechnology
Zehua Zhou et al.
Summary: This article proposes a simple method for preparing multifunctional NiCo/C aerogels with excellent electromagnetic wave absorption properties, superhydrophobicity, and self-cleaning by water-induced NiCo-MOF self-assembly. The impedance matching of the 3D structure and the interfacial polarization provided by CoNi/C, as well as the defect-induced dipole polarization, are the primary contributors to the broadband absorption. As a result, the prepared NiCo/C aerogels have a broadband width of 6.22 GHz at 1.9 mm. Due to the presence of hydrophobic functional groups, CoNi/C aerogels improve stability in humid environments and obtain hydrophobicity with large contact angles > 140 degrees. This multifunctional aerogel has promising applications in electromagnetic wave absorption and resistance to water or humid environments.
NANO-MICRO LETTERS
(2023)
Article
Nanoscience & Nanotechnology
Bencheng Zhao et al.
Summary: Facing the complex and deteriorated environment, wearable materials with integrated functions have rapidly progressed. In this study, a laminated MXene foam/cellulose@LDH composite membrane was fabricated for personal thermal management and electromagnetic interference shielding. The membrane exhibited excellent optical properties, radiative thermal management performances, stain resistance, and electromagnetic interference shielding performance, providing a promising strategy for comfortable living.
ACS APPLIED MATERIALS & INTERFACES
(2023)
Article
Nanoscience & Nanotechnology
Fengxia Yang et al.
Summary: This study presents the covalent modification of amino-functionalized MXene with rGO to create MXene-rGO composite, an electromagnetic absorbent material. The best performance is achieved when the mass ratio of MXene to rGO is 1:2. The composite exhibits a reflection loss of -47.98 dB at 6.4 GHz and an effective absorption bandwidth of 4.08 GHz.
ACS APPLIED NANO MATERIALS
(2023)
Article
Engineering, Manufacturing
Ying Zhang et al.
Summary: Broadband microwave absorption is important for electromagnetic compatibility, radiation protection, and radar detection disguise. Traditional methods struggle to create large, curved structures for this purpose. However, the combination of material extrusion and high-speed printing can effectively manufacture large-size metastructures for broadband microwave absorption. This approach overcomes impedance mismatch and achieves both absorption and load-bearing performance.
COMPOSITES PART A-APPLIED SCIENCE AND MANUFACTURING
(2023)
Article
Chemistry, Physical
Mengyang Zhang et al.
Summary: Due to the rich surface functional groups, two-dimensional transition metal carbides (MXene) have excellent properties such as metallic conductivity, hydrophilicity, and film-forming properties, making them widely used in energy storage and microwave absorption. However, the agglomeration and stacking of MXene nanosheets during preparation hinder the full realization of their advantages in the two-dimensional scale. Therefore, an ultrasonic assisted and vacuum filtration method was developed to obtain MXene/CuS thin film electrode material with a sandwich structure, which maintains a good lamellar structure and exhibits excellent tensile properties.
JOURNAL OF ALLOYS AND COMPOUNDS
(2023)
Article
Chemistry, Physical
Yixi Xu et al.
Summary: In this work, Co/La-MOF was grown in situ on the surface of Ti3C2Tx by a facile co-solvothermal method. The obtained Co/La-MOF/Ti3C2Tx composite shows low density and excellent electromagnetic wave absorption performance. Co/La-MOF/Ti3C2Tx-2 (with a mass ratio of Co2+ to La3+ of 16:3) exhibits a minimum reflection loss of -44.15 dB at 4.00 GHz with an effective absorption bandwidth of 3.67 GHz in the frequency range of 14.03-17.70 GHz.
JOURNAL OF ALLOYS AND COMPOUNDS
(2023)
Article
Chemistry, Physical
Qing Chang et al.
Summary: In this study, Cu/CuFe2O4 composites were synthesized using a facile and low-energy sol-gel self-propagating combustion method. The symbiosis and coexistence of metallic Cu with ferritic CuFe2O4 increased the intrinsic complex permittivity of CuFe2O4, which can be regulated by changing the metallic Cu content. Moreover, the unique ant-nest-like microstructure overcomes the issue of magnetic agglomeration. The Cu/CuFe2O4 composites exhibit broadband absorption and strong absorption characteristics, showing potential for improving the electromagnetic wave absorption performance of ferrites.
JOURNAL OF COLLOID AND INTERFACE SCIENCE
(2023)
Article
Materials Science, Multidisciplinary
Na Liang et al.
Summary: In this study, two-dimensional Co9S8-coated humins-derived carbon nanomaterials with a yolk-shell structure were prepared using a by-product of catalytic conversion of biomass as a carbon source. The morphology and defects of the composite material were controlled by pyrolysis temperature to optimize the electromagnetic wave attenuation ability.
JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY
(2023)
Article
Materials Science, Multidisciplinary
Hongxia Zhang et al.
Summary: A three-dimensional nitrogen-doped porous carbon decorated with core-shell Ni3Sn2@carbon particles (3D N-PC/Ni3Sn2@C) was synthesized through a salt-template pyrolysis approach. The composite exhibits excellent electrical conductivity, stability, lightweight, corrosion resistance, oxidation resistance, and superior stability of electromagnetic wave absorbers. The minimum reflection loss and wide effective absorption bandwidth under a low filler content make it a promising candidate for electromagnetic wave absorption applications.
JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY
(2023)
Article
Nanoscience & Nanotechnology
Bencheng Zhao et al.
Summary: This work utilizes a laminated MXene foam/cellulose@LDH composite membrane for personal thermal management and electromagnetic interference shielding. The membrane exhibits excellent optical properties, radiative thermal management performances, and electromagnetic interference shielding performance.
ACS APPLIED MATERIALS & INTERFACES
(2023)
Article
Materials Science, Ceramics
Meng Wang et al.
Summary: Multidimensional hierarchical Ni/TiO2/C nanocomposites with excellent electromagnetic wave absorption properties were successfully fabricated through facile in-situ solvothermal assembly and annealing processes.
CERAMICS INTERNATIONAL
(2022)
Article
Engineering, Environmental
Lei Cai et al.
Summary: In this study, layered N-doped MXene flakes and hollow Co-ZIF particles were successfully fabricated using a controllable cooperative protection etching strategy and electrostatic self-assembly technology. The resulting microwave absorption hybrids showed ultrathin thickness, strong electromagnetic wave absorption capability, and low filler loading, outperforming similar hybrids reported in the literature.
CHEMICAL ENGINEERING JOURNAL
(2022)
Article
Chemistry, Physical
Xuejiao Zhou et al.
Summary: In this study, MXene aerogels were assembled using different metal ions to initiate gelation in an aqueous dispersion. It was found that metal ions have a significant impact on the microstructures and absorption performance of the aerogels.
JOURNAL OF COLLOID AND INTERFACE SCIENCE
(2022)
Article
Engineering, Environmental
Jianqiao Wang et al.
Summary: This study enhances the performance of Ti3C2Tx MXene microwave absorbers by introducing a unique 1D/2D interpenetrating network structure. Experimental results show that the MC/graphene aerogel (MCGA) exhibits superior absorption performance and multifunctional attributes.
CHEMICAL ENGINEERING JOURNAL
(2022)
Article
Engineering, Environmental
Feiyue Hu et al.
Summary: In this work, a rising delaminated Mo2TiC2Tx MXene was synthesized and spherical and flower-like Ni were loaded on it. The flower-like Ni-loaded MXene exhibits optimal absorption performance with a minimum reflection loss value of -50.36 dB at a thickness of 1.4 mm, corresponding to 13.28 GHz frequency with a bandwidth of 3.04 GHz. Meanwhile, Ni-loaded MXene can effectively absorb electromagnetic waves in the X and Ku bands (8-18 GHz) within a thickness of 2 mm.
CHEMICAL ENGINEERING JOURNAL
(2022)
Article
Chemistry, Physical
Xiaofen Wu et al.
Summary: By cooperatively coupling magnetic nanoparticles with a dielectric matrix, ternary MXene/MnO2/Ni composites were successfully synthesized, exhibiting excellent electromagnetic wave absorption performance and a wide impedance matching bandwidth. The optimized composites showed strong reflection loss (RL) at 11.6 GHz and a wide absorption bandwidth.
JOURNAL OF ALLOYS AND COMPOUNDS
(2022)
Review
Biochemistry & Molecular Biology
Wei Zheng et al.
Summary: With the growing concern over electromagnetic radiation pollution, the development of efficient electromagnetic wave absorbing materials has become urgent. Iron-based magnetic absorbent particle materials show excellent magnetic properties and electromagnetic wave loss ability, but also have certain disadvantages. Currently, morphology structure design and multi-component material composite are used to improve the microwave absorption performance. This review summarizes the research progress of iron-based absorbing materials and discusses the preparation methods, absorbing properties, and mechanisms in detail. The future development direction of these materials is also explored.
Review
Materials Science, Multidisciplinary
Madiha Fathi Elmahaishi et al.
Summary: The elevated levels of electromagnetic radiation emitted by electronic instruments, communication devices, and information processing technologies have raised concerns, leading to efforts in developing unique nano-materials for enhancing the electromagnetic absorption properties of microwave-absorbing materials. This article discusses the basic theory of electromagnetic microwave absorption, highlights the materials and their performance, and elaborates on strategies to enhance the absorption properties. Metal-based composites show high efficiency in achieving desired magnetic and dielectric characteristics. The article also provides a comprehensive review of microwave absorption materials, their mechanisms, and the properties of nanomaterials.
JOURNAL OF MATERIALS RESEARCH AND TECHNOLOGY-JMR&T
(2022)
Article
Nanoscience & Nanotechnology
Zhiming Song et al.
Summary: A novel CoFe/CF composite material with broadened electromagnetic wave absorption bandwidth was prepared using a high magnetic field strategy, showing significantly improved absorption performance compared to conventional materials. A device model capable of efficiently converting electromagnetic energy into thermal energy was designed and fabricated through improved material preparation methods.
ACS APPLIED MATERIALS & INTERFACES
(2021)
Article
Chemistry, Physical
Panpan Zhou et al.
Summary: In this study, multidimensional ternary OMC/SiO2@Ni composites with hierarchical nanostructure were successfully prepared, and different properties of composites were obtained by adjusting calcination temperature and Ni nanoparticle content. Among them, OMC/SiO2@Ni0.5-700 composite exhibited extremely strong reflection loss with a broad effective absorption bandwidth, which was attributed to the well-designed hierarchical nanostructure and improved impedance matching.
Article
Engineering, Multidisciplinary
Ming Chang et al.
Summary: This study presents a novel NiS/MoS2/Ti3C2Tx hybrid system with a unique multilayer-scale structure, which exhibits excellent absorption performance through intense dielectric loss and multiple reflection, achieving wide effective absorption bandwidth and minimal reflection loss.
COMPOSITES PART B-ENGINEERING
(2021)
Article
Chemistry, Physical
Geng Chen et al.
Summary: The study successfully improved the electromagnetic wave absorption performance of absorbers by synthesizing materials with MXene-like laminated structure, providing an innovative approach to address the electromagnetic pollution challenges associated with 5G technology.
JOURNAL OF COLLOID AND INTERFACE SCIENCE
(2021)
Article
Chemistry, Physical
Xuran Gao et al.
Summary: The Ti3C2Tx/TiO2/PANI composites exhibit excellent electromagnetic wave absorption properties with strong reflection loss, thin thickness, and wide absorption bandwidth, making them promising candidates for EMW absorbers.
JOURNAL OF COLLOID AND INTERFACE SCIENCE
(2021)
Article
Nanoscience & Nanotechnology
Xiaopeng Han et al.
Summary: Combining MXene with metal-organic frameworks resulted in high-performance absorbers with excellent absorption properties and broad absorption bandwidth, showcasing promising potential for tunable electromagnetic properties.
ACS APPLIED NANO MATERIALS
(2021)
Article
Chemistry, Physical
Asia Sarycheva et al.
CHEMISTRY OF MATERIALS
(2020)
Article
Chemistry, Multidisciplinary
Mian Li et al.
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
(2019)
Article
Chemistry, Physical
Yan Wang et al.
APPLIED SURFACE SCIENCE
(2019)
Article
Construction & Building Technology
Yongjia He et al.
CEMENT & CONCRETE COMPOSITES
(2018)
Article
Mechanics
Ilbeom Choi et al.
COMPOSITE STRUCTURES
(2015)
Article
Materials Science, Composites
Xiaowei Hong et al.
COMPOSITES SCIENCE AND TECHNOLOGY
(2015)
