Engineering compositions and hierarchical yolk-shell structures of NiCo/GC/NPC nanocomposites with excellent electromagnetic wave absorption properties
Source abstract
Abstract
Abstract Designable microstructure was crucial for fabricating electromagnetic wave (EMW) absorbing materials. Herein, NiCo nanoparticles/graphitic carbon/nanoporous carbon (NiCo/GC/NPC) core–shell nanocomposites with novel hierarchical double yolk-shell structure were synthesized from metal-organic frameworks by a facile process. The yolk-shell nanoporous core–shell structure of the NiCo/GC/NPC nanocomposites was expertly tuned by regulating the composition of the Ni and Co elements, leading to the engineering relaxation polarization, conductive loss, magnetic resonance and multiple scatterings and reflections. The Ni1Co2/GC/NPC nanocomposite exhibited a minimum reflection loss (RLmin) value of −52.2 dB and a broad effective absorbing bandwidth (EAB) of 7.2 GHz (from 10.8 to 18 GHz) for RL
Source: openaire · Quality: candidate unverified · Source record ↗
Research context
OpenAlex topics: Electromagnetic wave absorption materials · Advanced Antenna and Metasurface Technologies · Metamaterials and Metasurfaces Applications
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
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