Issue 10, 2022

In silico design of graphene plasmonic hot-spots

Abstract

We propose a route for the rational design of engineered graphene-based nanostructures, which feature enormously enhanced electric fields in their proximity. Geometrical arrangements are inspired by nanopatterns allowing single molecule detection on noble metal substrates, and are conceived to take into account experimental feasibility and ease in fabrication processes. The attention is especially focused on enhancement effects occurring close to edge defects and grain boundaries, which are usually present in graphene samples. There, very localized hot-spots are created, with enhancement factors comparable to noble metal substrates, thus potentially paving the way for single molecule detection from graphene-based substrates.

Graphical abstract: In silico design of graphene plasmonic hot-spots

Supplementary files

Article information

Article type
Paper
Submitted
07 фев 2022
Accepted
15 апр 2022
First published
18 апр 2022
This article is Open Access
Creative Commons BY-NC license

Nanoscale Adv., 2022,4, 2294-2302

In silico design of graphene plasmonic hot-spots

L. Bonatti, L. Nicoli, T. Giovannini and C. Cappelli, Nanoscale Adv., 2022, 4, 2294 DOI: 10.1039/D2NA00088A

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