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Article
Electroconductive high-entropy metallic oxide ceramic composites with outstanding water evaporation ability and biocompatibility
Electroconductive ceramics were a class of materials that exhibited metal-like conductivity while also retaining the beneficial properties of ceramics. Currently, they were ceramic composites generally fabrica...
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Article
Regulation mechanism of epsilon-negative monolayer graphene/CaCu3Ti4O12 metacomposites for boosting electromagnetic shielding
Any tissue or cell in the body can be attacked by electromagnetic (EM) radiation, especially causing serious damage to human orthopedics. The ideal metacomposites with low-dispersion weakly negative permittivi...
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Article
Weakly negative permittivity: metal–organic frameworks derived cobalt nanoparticles encapsulated by positive-hexagon-shaped carbon nanosheets
Epsilon-negative metamaterials (ENMs) have gained significant attention due to their promising applications in various fields, such as microwave absorption or shielding, radio transmission, and solar energy ha...
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Article
Boosting alkaline urea oxidation with a nickel sulfide/cobalt oxide heterojunction catalyst via interface engineering
Urea electrooxidation holds significant promise for addressing the slow anodic oxygen evolution reaction (OER) in water splitting due to its favorable thermodynamic potential. However, the development of highl...
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Article
Surface sulfidation of NiCo-layered double-hydroxide nanosheets for flexible all-solid-state fiber-shaped asymmetric supercapacitors
Flexible fiber supercapacitors have received much attention as emerging energy storage equipment for powering wearable electronics. Nonetheless, the small surface area of fiber substrate and poor reaction kine...
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Article
N-doped bimetallic phosphides composite catalysts derived from metal–organic frameworks for electrocatalytic water splitting
Exceptional electrocatalytic activities and synergistic effect of bimetallic phosphides make them ideal electrocatalysts for water splitting. Herein, we developed composite bimetallic phosphides derived from m...
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Article
The weakly negative permittivity with low-frequency-dispersion behavior in percolative carbon nanotubes/epoxy nanocomposites at radio-frequency range
As one of the basic component materials of metamaterials, natural negative dielectric constant (permittivity) materials have attracted more and more attentions; however, the frequency-dispersion mechanism of n...
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Article
Recent advances in radio-frequency negative dielectric metamaterials by designing heterogeneous composites
Dielectric constant (ε, epsilon) is one of the basic physical parameters for materials, determining the response of materials to electromagnetic waves or electrical field; its value is generally positive. In f...
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Article
Flexible polystyrene/graphene composites with epsilon-near-zero properties
Epsilon-near-zero (ENZ) materials are promising candidates in the fields of sensing technologies, solar energy harvesting, and electromagnetic absorbers, and most research on ENZ materials is focused at visibl...