THz EMI Shielding in Graphene/PMMA Multilayers
2019
The electromagnetic interference (EMI) shielding mechanisms of graphene/PMMA multilayered structures are experimentally investigated by using time domain spectroscopy (TDS) in the THz range. Stacked plates of similar thickness (~ 5μm), starting from a single layer up to 100 layers, were produced by a novel approach combining ultra-thin polymer casting and wet deposition techniques. These nano laminates show enhanced electrical conductivity (~100 S/cm) and superior specific shielding effectiveness (~2.104 dB cm2 g-1).
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