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Three-dimensional (3D) porous graphene materials with few layer nature and non-stacked structural feature afford significant advantages in high electrical conductivity, large surface area, and interconnected porous nanostructures. However, the structure evolution of porous graphene under high temperature is poorly understood. In this contribution, 3D double-layer templated graphene (DTG) composed...
Metamaterials offer enormous opportunities and unprecedented functionalities to manipulate electromagnetic waves enabling promising applications such as invisibility cloaking, superfocusing and subwavelength confinement. The exotic electromagnetic behavior of metamaterials was dramatically empowered by dynamic control through incorporation of active media. A prominent example is a graphene metamaterial...
Carbon nanotube reinforced carbon fiber/pyrolytic carbon composites were fabricated by precursor infiltration and pyrolysis method and their electromagnetic interference shielding effectiveness (EMI SE) was investigated over the frequency range of 8.2–12.4GHz (X-band). Carbon nanotubes (CNTs) were in situ formed through catalyzing hydrocarbon gases evaporating out of phenolic resin with nano-scaled...
An easy method to synthesize a strongly coupled cobalt ferrite/carbon nanotube (CoFe 2 O 4 /CNT) composite with oxygen bridges between CoFe 2 O 4 and reduced carbon nanotubes (CNTs) by calcining the precursor material was reported. The precursor was prepared by an electrostatic self-assembly of the exfoliated Co(II)Fe(II)Fe(III)-layered double hydroxide (CoFeFe-LDH)...
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