Self-Assembled Graphene Plasmon Resonators

TL;DR

This paper reports the development of self-assembled graphene plasmonic resonators in the mid-infrared range, demonstrating dense, small features over large areas with broad resonance characteristics.

Contribution

It introduces the first self-assembled graphene plasmonic resonators operating in the mid-IR, with detailed analysis of broadening mechanisms using a drude model and SEM data.

Findings

Resonators are 35 nm in diameter with 20 nm spacing.

Resonators cover a centimeter-sized area.

Self-assembly does not significantly contribute to resonance broadening.

Abstract

The ability to fabricate dense small features over a large area is important for graphene plasmonics. We present the first self-assembled graphene plasmonic resonators operating in the mid-IR. The resonators are 35 nm in diameter with 20 nm spacing and cover a centimeter sized area. The resonators exhibit a very broad resonance. We fit our data using a drude model and combine it with SEM data to investigate the contribution to broadening from our process. We find that the self-assembly does not contribute significantly to the broadening observed.