Related references
Note: Only part of the references are listed.
Article
Chemistry, Physical
Xiaohu Ren et al.
Summary: In this work, hierarchically hollow CoFe2O4/polypyrrole nanocubes with enhanced electromagnetic characteristics for MW absorption were fabricated. The electromagnetic characteristics can be adjusted by regulating the proportion of polypyrrole. The outcomes demonstrate that the as-prepared composites have outstanding MW absorbing ability and are expected to be potential MW absorbers for extensive applications.
APPLIED SURFACE SCIENCE
(2022)
Article
Engineering, Environmental
Pengshu Yi et al.
Summary: Innovatively combining the pyrolysis laws of Co-based Prussian blue analogue with the mechanisms of CNTs synthesis catalyzed by Co nanoparticles, CNTs-linked cubic porous PBA derivative (CoCN@CNT) was successfully prepared through a designed pyrolysis process. The obtained sample with a unique morphology and the best microwave absorption performance exhibited an ultra-wideband effective absorption covering the entire Ku radar band at only 20% filling ratio, providing theoretical support for the controllable growth of metal catalyzed CNTs and novel insights for the design and facile synthesis of high-performance micro-nano scale microwave absorbers.
CHEMICAL ENGINEERING JOURNAL
(2022)
Article
Engineering, Environmental
Ping-An Yang et al.
Summary: Fe@Ag core-shell nanowires with enhanced electromagnetic wave absorption were successfully synthesized, with different Ag shell thickness controlled by changing Fe to Ag molar ratio to improve impedance matching and attenuation constants. The Fe@Ag core-shell nanowires show promising high-efficiency microwave absorbing capabilities due to the complementary effect of the Fe-Ag interface polarization, impedance matching improvement, and small-scale effect caused by the one-dimensional structure.
CHEMICAL ENGINEERING JOURNAL
(2022)
Article
Engineering, Environmental
Liqiang Jin et al.
Summary: By controlling the adding dosage of pyridine, thickness controllable MOF-derived Ni@N-doped carbon (Ni@NC) hexagonal nanoflakes with increased content of doped N atoms and tunable morphology were obtained. The controllable dimension and morphology of N-doped carbon skeleton endowed more electronic transportation paths, better anti-reflection surfaces, higher conduction loss and polarization relaxation, while the evenly distributed Ni nanoparticles provided considerable multiple resonances and eddy current for improved electromagnetic wave absorption.
CHEMICAL ENGINEERING JOURNAL
(2022)
Article
Materials Science, Multidisciplinary
Fei Pan et al.
Summary: This study successfully synthesized an electromagnetic wave absorbing material with two-dimensional nanosheets anchored on one-dimensional silk-derived carbon fiber. The material exhibited excellent EMW absorption performance, which can be attributed to the vertical growth and cross-linking of the nanosheets, as well as the multiple loss mechanisms in the composite.
JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY
(2022)
Article
Chemistry, Physical
Yun Qiu et al.
Summary: Manufacturing microwave absorbers with controllable microstructure is of continuous interest, as shown in the study where cobalt hexacyanoferrate submicrocubes with different structures were obtained through adjusting reaction solvents. The results highlight the importance of morphology and structure in enhancing microwave absorption properties, with the optimal absorption performance reaching -73.63 dB and an effective absorption bandwidth of 5.0 GHz for the CoFe@C submicrocubes with mesoporous structure.
APPLIED SURFACE SCIENCE
(2022)
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
Baolei Wang et al.
Summary: The yolk-shelled Co@SiO2@MC microspheres developed in this study demonstrate potential for wide-band microwave absorption. Utilizing multiple components and structures, these microspheres exhibit enhanced microwave absorption performance through strong dielectric/magnetic loss and impedance matching effects.
JOURNAL OF COLLOID AND INTERFACE SCIENCE
(2022)
Article
Chemistry, Physical
Junfeng Qiu et al.
Summary: Three-dimensional (3D) porous coral-like Co1.29Ni1.71O4 microspheres were successfully combined with reduced graphene oxide (rGO) to form Co1.29Ni1.71O4/rGO aerogels, serving as efficient microwave absorbers. The electromagnetic parameters of the composites can be effectively tuned by adjusting the mass ratio of Co1.29Ni1.71O4 microspheres and rGO, thereby improving their microwave absorption performance.
JOURNAL OF COLLOID AND INTERFACE SCIENCE
(2022)
Article
Materials Science, Multidisciplinary
Panpan Zhou et al.
Summary: Metal-organic frameworks (MOFs) are a promising type of microwave absorption (MA) material with sufficient pore structure, diverse configurations, and easy-to-control magnetic properties. In this study, novel porous coral-like carbon/Co3O4 and carbon/Co composites were successfully fabricated by heat treatment of precursor Co-MOF-71. The heat treatment temperature of Co-MOF-71 was found to tune the graphitization degree, magnetic property, and MA ability of the product. The composite calcined at 500 degrees C displayed strong and multi-frequency absorption performance, with a minimum reflection loss (RL) value of -36.4 dB and an effective absorbing bandwidth (RL <=-10 dB) of 5.76 GHz.
JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY
(2022)
Article
Materials Science, Multidisciplinary
Biao Zhao et al.
Summary: In this study, core-shell structural carbon/magnetic metal composites were fabricated through an electrostatic assembly approach and in-situ reduction reaction. The complex permittivity and permeability of the composites could be effectively adjusted by the constituent and microstructure of the shells. The results showed enhanced microwave absorption properties of the composites due to the distinct magnetic coupling and magnetic-dielectric synergy.
JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY
(2022)
Article
Engineering, Electrical & Electronic
Yupeng Wei et al.
Summary: In this study, a double-coating structure of C/Cu/NiP microfiber composites was designed to enhance the electromagnetic absorption performance. The experimental results showed that the composites exhibited excellent microwave absorption properties at specific frequencies and matching thicknesses after a certain temperature treatment.
JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS
(2022)
Article
Microbiology
Haibo Xu et al.
Summary: This study demonstrated the successful introduction of multiple-gene mutations in Pleurotus ostreatus using CRISPR/Cas9 technology and a strategy for multiple-gene mutations. Compared to conventional methods, this approach is more efficient and practical.
FEMS MICROBIOLOGY LETTERS
(2022)
Article
Chemistry, Physical
Ruiyang Tan et al.
Summary: In this study, FeCo/C microspheres were synthesized using a two-step hydrothermal method, with electromagnetic parameters effectively adjusted by controlling the reaction time. This resulted in excellent microwave absorption properties at a low filling ratio.
JOURNAL OF ALLOYS AND COMPOUNDS
(2021)
Article
Engineering, Chemical
Mahshid Chireh et al.
Summary: In this study, Microwave absorbing Li-Sr, Li-Co ferrite nanoparticles and RGO/Li-Sr, RGO/Li-Co ferrite nanocomposites were synthesized to enhance the microwave absorption performance. The addition of RGO significantly improved the magnetic and dielectric loss, impedance matching, and electromagnetic wave absorption of the samples. The RGO/Li-Co nanocomposite showed a broad effective absorption bandwidth at thin thicknesses, making it a potential candidate for microwave absorbing materials.
ADVANCED POWDER TECHNOLOGY
(2021)
Article
Chemistry, Physical
Jiana Hu et al.
Summary: The rGO@Fe3O4/SR composites exhibited magnetic properties and provided a heterogeneous interface due to the in situ grown Fe3O4 nanoparticles on the rGO sheets, resulting in better impedance matching, enhanced magnetic loss, and interfacial polarization loss.
APPLIED SURFACE SCIENCE
(2021)
Article
Engineering, Manufacturing
Fu Chen et al.
Summary: The composition, magnetic properties, and electromagnetic properties of the Ni/NiP@NC composite can be flexibly regulated by controlling the phosphorization degree, exhibiting excellent microwave absorption properties.
COMPOSITES PART A-APPLIED SCIENCE AND MANUFACTURING
(2021)
Article
Engineering, Environmental
Xin Sun et al.
Summary: The hierarchically designed Co9S8/CNTs/MoS2 composite exhibits significantly improved EMW absorbing properties, reducing filler loading and broadening absorption bandwidth. Through simulating electric field distribution and radar scatter section, the significant suppression effect of Co9S8/CNTs/MoS2 on electromagnetic scattering radiation is further revealed.
CHEMICAL ENGINEERING JOURNAL
(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
Zhihao Sun et al.
Summary: A composite material of nitrogen-doped reduced graphene oxide and carbon nanotubes was prepared, showing remarkable microwave absorption performance due to the formation of conductive pathways, nest-like CNTs clusters, and abundant defect polarization within the composite. The multi-scale structure endowed the composite with well-matched impedance, rich loss modes, and strong losses, resulting in an effective bandwidth of 7.1 GHz with a minimum reflection loss of -49.4 dB at only 2 wt% loading.
APPLIED SURFACE SCIENCE
(2021)
Article
Materials Science, Ceramics
Yupeng Wei et al.
Summary: Core-shell C/NiP microfiber composites were fabricated via electroless plating and their microstructure and electromagnetic properties were adjusted by annealing treatment and different phosphorus content in the NiP coating. The composites with specific conditions exhibit strong reflection loss and broad effective bandwidth for electromagnetic wave absorption, demonstrating the effectiveness of annealing and different P concentrations in optimizing the performance.
CERAMICS INTERNATIONAL
(2021)
Article
Engineering, Manufacturing
Yunfei Yang et al.
Summary: By controlling the dosage of ferric salt added, the proportion of Fe7S8 and carbon in composites can be adjusted to achieve synergistic effect and improve the electromagnetic wave absorption performance.
COMPOSITES PART A-APPLIED SCIENCE AND MANUFACTURING
(2021)
Article
Chemistry, Physical
Mingqiang Ning et al.
Summary: This study systematically investigated the impact of nitrogen doping on the microwave absorption performance of graphene by using gradient nitrogen-doped graphene. The results showed that moderately nitrogen-doped graphene exhibited the best microwave absorbing performance, attributed to the introduced dipole polarizations and balanced attenuation factor and impedance matching degree.
JOURNAL OF ALLOYS AND COMPOUNDS
(2021)
Article
Chemistry, Physical
Xiaoyu Zhu et al.
Summary: Metal-organic framework (MOF) derivatives, specifically MOF-Co@CNTs, have shown great potential as electromagnetic microwave (EMW) absorbers. Through the pyrolysis of a ZIF-67/g-C3N4 precursor, the researchers were able to produce MOF-Co@CNTs and optimize the carbonization temperature and ratio of g-C3N4 to ZIF-67 for enhanced EMW absorption capacity. The results showed promising EMW absorption performance with high efficiency and broad bandwidth.
Article
Nanoscience & Nanotechnology
Jiabin Chen et al.
Summary: FeCo/CoFe2O4/carbon nanofiber composites were successfully prepared by electrospinning for effective electromagnetic wave attenuation, achieving a bandwidth of 5.0 GHz and an absorption peak of -52.3 dB at a thickness of 1.95 mm. Additionally, the composite coatings demonstrated significant radar cross section reduction and scattering ability to electromagnetic waves when analyzed using ANSYS Electronics Desktop 2018(HFSS).
ACS APPLIED MATERIALS & INTERFACES
(2021)
Article
Chemistry, Multidisciplinary
Zhenguo Gao et al.
Summary: A new thermodynamic and kinetic cocontrol strategy was proposed to construct Zn/Co bimetal hybrid materials with tuning ion and phase hybridization, exhibiting excellent electromagnetic properties and electromagnetic wave absorption capabilities. Through the assistance of chelating agent and pyrolysis process under gradient temperature, the HMs at 700 degrees Celsius showed ultrahigh EM parameters and absorption ability.
ADVANCED FUNCTIONAL MATERIALS
(2021)
Article
Chemistry, Physical
Zhongjing Shen et al.
Summary: By introducing specific metallic elements into the material, the permeability and impedance matching performance can be improved, thereby enhancing the broadband electromagnetic wave absorption performance of the material.
Article
Chemistry, Inorganic & Nuclear
Jun Liu et al.
Summary: This study successfully prepared uniform Ni2P nanoparticles grown on graphene surface, showing excellent performance in EM absorption. The significant size difference between mosaic large and small particles provides more active interfacial polarization sites.
JOURNAL OF SOLID STATE CHEMISTRY
(2021)
Article
Engineering, Environmental
Yaru Song et al.
CHEMICAL ENGINEERING JOURNAL
(2020)
Article
Chemistry, Physical
Yue Wu et al.
JOURNAL OF ALLOYS AND COMPOUNDS
(2020)
Article
Chemistry, Multidisciplinary
Lei Yang et al.
ADVANCED FUNCTIONAL MATERIALS
(2020)
Article
Chemistry, Physical
Junjie Pan et al.
APPLIED SURFACE SCIENCE
(2020)
Article
Chemistry, Physical
Xiao Wang et al.
Article
Chemistry, Physical
Buhe Bateer et al.
Article
Chemistry, Physical
Xin Liu et al.
APPLIED CATALYSIS B-ENVIRONMENTAL
(2020)
Article
Nanoscience & Nanotechnology
Lei-Lei Liang et al.
ACS APPLIED MATERIALS & INTERFACES
(2020)
Article
Chemistry, Inorganic & Nuclear
Yajing Wang et al.
JOURNAL OF SOLID STATE CHEMISTRY
(2019)
Article
Nanoscience & Nanotechnology
Ruili Wang et al.
ACS APPLIED MATERIALS & INTERFACES
(2019)
Article
Chemistry, Multidisciplinary
Nannan Wu et al.
ACS SUSTAINABLE CHEMISTRY & ENGINEERING
(2018)
Article
Chemistry, Multidisciplinary
Michael Green et al.
MATERIALS CHEMISTRY FRONTIERS
(2018)
Article
Nanoscience & Nanotechnology
Michael Green et al.
MATERIALS TODAY NANO
(2018)