Ternary Nickel/Molybdenum Dioxide/Carbon composited nanofibers for broadband and strong electromagnetic wave absorption

Meng, Xiangwei; Qiao, Jing; Zheng, Sinan; Tian, Haoyuan; Li, Baoding; Liu, Jiurong; Wu, Lili; Wang, Zhou; Wang, Fenglong

doi:10.1016/j.cej.2022.141241

Cited by 36 publications

(18 citation statements)

References 58 publications

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“…Due to the low level of reduced Ni, the 𝜇′ values are close to 1 and 𝜇″ values are close to 0, revealing the weak magnetic loss of all samples, which conforms to the small tan𝛿 m values. From Figure S6 (Supporting Information), the saturation magnetization (M s ) values of LNSF-550, LNSF-600, and LNSF-650 are 0.20 emu g −1 , 1.60 emu g −1 , and 2.65 emu g −1 respectively, lower than pure nickel materials (55 emu/g) [41] . And the coercivity (H c ) values of LNSF-550, LNSF-600, and LNSF-650 are 24.11 Oe, 75.62 Oe, and 104.04 Oe, respectively.…”

Section: Resultsmentioning

confidence: 98%

Lotus Leaf Derived NiS/Carbon Nanofibers/Porous Carbon Heterogeneous Structures for Strong and Broadband Microwave Absorption

Jiang,

Wang,

Cui

et al. 2023

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Developing composite materials with the synergistic effects of heterogeneous structures and multiple components is considered as a promising strategy to achieve high‐performance electromagnetic wave (EMW) absorbers. To further satisfy the demand of broadband and strong microwave absorption, a novel NiS/carbon nanofibers (CNFs)/porous carbon composite is successfully synthesized by hydrothermal and chemical vapor deposition using lotus leaves as a biomass carbon source. A few carbon nanotubes (CNTs) and uniformly dispersed Ni nanocrystals have also been found in the hybrid. Benefiting from the porous structure derived from lotus leaves, the combination of dielectric NiS, conductive carbon nanomaterials, and magnetic Ni nanoparticles, together with the three‐dimensional conductive network of CNFs and CNTs, the remarkable EMW absorption properties with a minimum reflection loss up to −67.65 dB have been achieved at merely 2.32 mm. Besides, the widest effective absorption band can reach 5.9 GHz with a thin thickness of 2.07 mm, covering almost the entire Ku band. In addition, under the incident angle of 31°, the radar cross‐section reduction value of LNSF‐600 can reach 42.88 dBm2. Therefore, this work provides an efficient and facile method for manufacturing outstanding biomass‐derived EMW absorbers.

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Section: Resultsmentioning

confidence: 98%

Lotus Leaf Derived NiS/Carbon Nanofibers/Porous Carbon Heterogeneous Structures for Strong and Broadband Microwave Absorption

Jiang,

Wang,

Cui

et al. 2023

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“…S3 ) were assigned to three types: pyridinic-N (N-6) at around 399 eV, pyrrolic-N (N-5) at around 400 eV, and other species of N (N-X, including oxide-N and carbon-N) at around 403 eV. N-5 and N-6 were reported to be conducive to the enhancement of the carbon materials’ conductivity [69] , thus improving the corresponding SC’s electrochemical performance [70] . The proportions of the N-5 and N-6 species in the 1:6-GP,1:6-HCGP, 1:6-GP+N, and 1:6-HCGP+N samples were calculated to be 0.7 %, 0.6 %, 1.0 %, and 1.5 %, respectively, demonstrating the intensification effect of HC treatment during N-doping.…”

Section: Resultsmentioning

confidence: 99%

Hydrodynamic cavitation-assisted preparation of porous carbon from garlic peels for supercapacitors

Xuan

Wang

You

et al. 2023

Ultrasonics Sonochemistry

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Section: Dielectric Oxides and Compositesmentioning

confidence: 99%

“…Meng et al prepared molybdenum dioxide modified nickel/carbon nanofibers by electrostatic spinning and subsequent carbonization . The nanofibers crossed each other to form a three-dimensional spider weblike structure (Figure c1), which provided rich pathways that allowed for ensuing electromagnetic wave transport and charge movement.…”

Section: Dielectric Oxides and Compositesmentioning

confidence: 99%

Review of Dielectric Carbide, Oxide, and Sulfide Nanostructures for Electromagnetic Wave Absorption

Lu,

Zhang,

Liu

et al. 2023

ACS Appl. Nano Mater.

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Following the growth of infotech and electronic industries, electromagnetic-wave-absorbing materials play an essential role in the traction of the need for high-precision weaponry and intelligent electronic equipment. The exploitation of high-performance electromagnetic-wave-absorbing materials has emerged as a strategic challenge to be solved in the upgrading of military equipment and civil electromagnetic security. The more maturely studied absorbing materials (carbon, ferrite, etc.) have a single loss mechanism and poor resistance matching, which are already not enough to cover the basic needs. To explore absorbing materials that satisfy both impedance matching and attenuation balance, dielectric nanomaterials have come to the fore. They can realize light weight, thin layer, broad band, and multiband, which have great application prospects. In this review, we start with a summary of typical dielectric loss mechanisms (interfacial polarization, dipole polarization, and conduction loss). Next, diverse carbides, oxides, sulfides, and their composites with dielectric or magnetic materials are described, and the nanostructure advantages and wave-absorbing performance advantages are investigated. Then, the applications of wave-absorbing materials are depicted. Lastly, the challenges faced by dielectric-type materials are outlined, and future development trends are foreseen. Overall, this review offers an overview of the advances in the study of dielectric nanoabsorbing materials.

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Ternary Nickel/Molybdenum Dioxide/Carbon composited nanofibers for broadband and strong electromagnetic wave absorption

Cited by 36 publications

References 58 publications

Lotus Leaf Derived NiS/Carbon Nanofibers/Porous Carbon Heterogeneous Structures for Strong and Broadband Microwave Absorption

Lotus Leaf Derived NiS/Carbon Nanofibers/Porous Carbon Heterogeneous Structures for Strong and Broadband Microwave Absorption

Hydrodynamic cavitation-assisted preparation of porous carbon from garlic peels for supercapacitors

Review of Dielectric Carbide, Oxide, and Sulfide Nanostructures for Electromagnetic Wave Absorption

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