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Lookup NU author(s): Dr Victor Pacheco PenaORCiD, Dr Toby HallamORCiD, Professor Noel HealyORCiD
This work is licensed under a Creative Commons Attribution 4.0 International License (CC BY 4.0).
MXenes, an emerging class of two-dimensional materials, exhibit characteristics that promise significant potential for their use in next generation optoelectronic sensors. An interplay between interband transitions and boundary effects offer the potential to tune the plasma frequencies over a large spectral range from the near-infrared to the midinfrared. This tuneability along with the ‘layered’ nature of the material not only offer the flexibility to produce plasmon resonances across a wide range of wavelengths, but also add a degree of freedom to the sensing mechanism by allowing the plasma frequency to be modulated. Here we show, numerically, that MXenes can support plasmons in the telecommunications frequency range and that surface plasmon resonances can be excited on a standard MXene coated side polished optical fiber. Thus, presenting the tantalising prospect of highly selective distributed optical fiber sensor networks.
Author(s): Pacheco-Peña V, Hallam T, Healy N
Publication type: Article
Publication status: Published
Journal: Light: Science and Applications
Year: 2022
Volume: 11
Issue: 1
Online publication date: 24/01/2022
Acceptance date: 05/01/2022
Date deposited: 24/01/2022
ISSN (print): 2095-5545
ISSN (electronic): 2047-7538
Publisher: Nature Publishing Group
URL: https://doi.org/10.1038/s41377-022-00710-1
DOI: 10.1038/s41377-022-00710-1
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