Hybrid Metal-Graphene Ultra-Wideband Antenna

Abstract

This paper presents an ultra-wideband hybrid antenna using graphene on the radiating patch and metal on the feeding line. The proposed antenna covers the whole bandwidth of 2.65-11.25 GHz, with optimal overall performance with efficiencies above 70%, using 97% less metallic material. In order to provide flexibility, Polyethylene Terephthalate is used as a substrate. The flexibility, as well as the environmentally friendly and ease in the fabrication of the multi-layer graphene, turns this antenna in an ideal candidate for body-centric and wearable applications.