Polyimide-based graphene composite foams with hierarchical impedance gradient for efficient electromagnetic absorption
Lei Pu, Shuangshuang Li, Yawei Zhang, Haiyan Zhu, Wei Fan, Piming Ma, Weifu Dong, Zicheng Wang, Tianxi Liu
Abstract
Excellent electromagnetic absorption performance can be controllably adjusted by optimizing impedance gradient of polyimide-based graphene composite foam with hierarchical structure.
Topics & Concepts
PolyimideMaterials scienceGrapheneComposite numberComposite materialAbsorption (acoustics)Electrical impedanceElectromagnetic radiationNanotechnologyLayer (electronics)OpticsElectrical engineeringEngineeringPhysicsElectromagnetic wave absorption materialsAdvanced Antenna and Metasurface TechnologiesMetamaterials and Metasurfaces Applications