Abstract
ABSTRACT The present study deals with development of optimized polyvinylidene difluoride (PVDF)-based flexible composite thin film with magnetic filler (LaFeO3) and conductive fillers-graphene and multi-walled carbon nanotubes (MWCNT). The performance of developed PVDF-based composite films has been tested for EMI SE over a wide band ranging from 8.2 to 12.4 GHz and 12.4 to 18 GHz covering X and Ku band. The work has been carried out using experimental setup based on ASTM D5568 standard for EMI SE measurements and the investigation has been extended to validate EMI performance of the developed lightweight, flexible, thin polymer composite films using finite element analysis (FEA) simulation software ANSYS HFSS. In both experimental and simulation results, a film composed of 5 wt.% of LaFeO3, 5 wt.% MWCNT and 25 wt.% of graphene unveiled a better EMI SE compared to bare PVDF and films with only conducting graphene.
Published Version
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