Abstract
Unique multilayered assembly was designed here using polymeric blends containing “flower-like” ferrite nanoparticles conjugated with multiwall carbon nanotubes (MWCNTs) for attenuating 99.999% of the incoming electromagnetic (EM) radiation. In comparison to a traditional single layered structure, this unique assembly is superior for myriad applications related to suppressing the incoming EM radiation, mostly by absorption. The three key requirements—impedance wave matching, absorption, and multiple scattering from the heterogeneous structures—were accounted here by suitably modifying the nanomaterials. A bicomponent blend consisting of two immiscible polymers, polyvinylidine fluoride (PVDF) and polycarbonate (PC), was used here to construct the multilayered assembly wherein selective localization of nanoparticles in one of the components, driven by thermodynamics, reduced the percolation threshold of the nanoparticles. In order to improve the impedance matching, MWCNTs were functionalized using the defect...
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