Dual-Band Plasmonic Perfect Absorber Based on Graphene Metamaterials for Refractive Index Sensing Application

We demonstrate a dual-band plasmonic perfect absorber (PA) based on graphene metamaterials. Two absorption peaks (22.5 μm and 74.5 μm) with the maximal absorption of 99.4% and 99.9% have been achieved, respectively. We utilize this perfect absorber as a plasmonic sensor for refractive index (RI) sen...

Descripción completa

Detalles Bibliográficos
Autores principales: Yi, Zao, Liang, Cuiping, Chen, Xifang, Zhou, Zigang, Tang, Yongjian, Ye, Xin, Yi, Yougen, Wang, Junqiao, Wu, Pinghui
Formato: Online Artículo Texto
Lenguaje:English
Publicado: MDPI 2019
Materias:
Article
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6680656/
https://www.ncbi.nlm.nih.gov/pubmed/31269630
http://dx.doi.org/10.3390/mi10070443
_version_ 1783441550625210368
author Yi, Zao
Liang, Cuiping
Chen, Xifang
Zhou, Zigang
Tang, Yongjian
Ye, Xin
Yi, Yougen
Wang, Junqiao
Wu, Pinghui
author_facet Yi, Zao
Liang, Cuiping
Chen, Xifang
Zhou, Zigang
Tang, Yongjian
Ye, Xin
Yi, Yougen
Wang, Junqiao
Wu, Pinghui
author_sort Yi, Zao
collection PubMed
description We demonstrate a dual-band plasmonic perfect absorber (PA) based on graphene metamaterials. Two absorption peaks (22.5 μm and 74.5 μm) with the maximal absorption of 99.4% and 99.9% have been achieved, respectively. We utilize this perfect absorber as a plasmonic sensor for refractive index (RI) sensing. It has the figure of merit (FOM) of 10.8 and 3.2, and sensitivities of about 5.6 and 17.2 μm/RIU, respectively. Hence, the designed dual-band PA-based RI sensor exhibits good sensing performance in the infrared regime, which offers great potential applications in various biomedical, tunable spectral detecting, environmental monitoring and medical diagnostics.
format Online
Article
Text
id pubmed-6680656
institution National Center for Biotechnology Information
language English
publishDate 2019
publisher MDPI
record_format MEDLINE/PubMed
spelling pubmed-66806562019-08-09 Dual-Band Plasmonic Perfect Absorber Based on Graphene Metamaterials for Refractive Index Sensing Application Yi, Zao Liang, Cuiping Chen, Xifang Zhou, Zigang Tang, Yongjian Ye, Xin Yi, Yougen Wang, Junqiao Wu, Pinghui Micromachines (Basel) Article We demonstrate a dual-band plasmonic perfect absorber (PA) based on graphene metamaterials. Two absorption peaks (22.5 μm and 74.5 μm) with the maximal absorption of 99.4% and 99.9% have been achieved, respectively. We utilize this perfect absorber as a plasmonic sensor for refractive index (RI) sensing. It has the figure of merit (FOM) of 10.8 and 3.2, and sensitivities of about 5.6 and 17.2 μm/RIU, respectively. Hence, the designed dual-band PA-based RI sensor exhibits good sensing performance in the infrared regime, which offers great potential applications in various biomedical, tunable spectral detecting, environmental monitoring and medical diagnostics. MDPI 2019-07-02 /pmc/articles/PMC6680656/ /pubmed/31269630 http://dx.doi.org/10.3390/mi10070443 Text en © 2019 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).
spellingShingle Article
Yi, Zao
Liang, Cuiping
Chen, Xifang
Zhou, Zigang
Tang, Yongjian
Ye, Xin
Yi, Yougen
Wang, Junqiao
Wu, Pinghui
Dual-Band Plasmonic Perfect Absorber Based on Graphene Metamaterials for Refractive Index Sensing Application
title Dual-Band Plasmonic Perfect Absorber Based on Graphene Metamaterials for Refractive Index Sensing Application
title_full Dual-Band Plasmonic Perfect Absorber Based on Graphene Metamaterials for Refractive Index Sensing Application
title_fullStr Dual-Band Plasmonic Perfect Absorber Based on Graphene Metamaterials for Refractive Index Sensing Application
title_full_unstemmed Dual-Band Plasmonic Perfect Absorber Based on Graphene Metamaterials for Refractive Index Sensing Application
title_short Dual-Band Plasmonic Perfect Absorber Based on Graphene Metamaterials for Refractive Index Sensing Application
title_sort dual-band plasmonic perfect absorber based on graphene metamaterials for refractive index sensing application
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6680656/
https://www.ncbi.nlm.nih.gov/pubmed/31269630
http://dx.doi.org/10.3390/mi10070443
work_keys_str_mv AT yizao dualbandplasmonicperfectabsorberbasedongraphenemetamaterialsforrefractiveindexsensingapplication
AT liangcuiping dualbandplasmonicperfectabsorberbasedongraphenemetamaterialsforrefractiveindexsensingapplication
AT chenxifang dualbandplasmonicperfectabsorberbasedongraphenemetamaterialsforrefractiveindexsensingapplication
AT zhouzigang dualbandplasmonicperfectabsorberbasedongraphenemetamaterialsforrefractiveindexsensingapplication
AT tangyongjian dualbandplasmonicperfectabsorberbasedongraphenemetamaterialsforrefractiveindexsensingapplication
AT yexin dualbandplasmonicperfectabsorberbasedongraphenemetamaterialsforrefractiveindexsensingapplication
AT yiyougen dualbandplasmonicperfectabsorberbasedongraphenemetamaterialsforrefractiveindexsensingapplication
AT wangjunqiao dualbandplasmonicperfectabsorberbasedongraphenemetamaterialsforrefractiveindexsensingapplication
AT wupinghui dualbandplasmonicperfectabsorberbasedongraphenemetamaterialsforrefractiveindexsensingapplication

Ejemplares similares