ArticleNanomaterials (Basel, Switzerland)2020
A Tunable Terahertz Metamaterial Absorber Composed of Hourglass-Shaped Graphene Arrays.
Article in Nanomaterials (Basel, Switzerland), 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
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Who cites it
8 citing papers in PubMed.
- Simulation and performance analysis of nanostructure-based perovskite solar cells for improving their efficiency.Scientific reports · 2026Article
- Multiband SERS substrate using switchable hot spots of the inline graphene-wrapped nanoparticle chains.Scientific reports · 2025Article
- Engineering Metamaterials for Civil Infrastructure: From Acoustic Performance to Programmable Mechanical Responses.Materials (Basel, Switzerland) · 2025Review
- Recent Development in Metasurfaces: A Focus on Sensing Applications.Nanomaterials (Basel, Switzerland) · 2022Review
- Numerical Investigation of Graphene and STO Based Tunable Terahertz Absorber with Switchable Bifunctionality of Broadband and Narrowband Absorption.Nanomaterials (Basel, Switzerland) · 2021Article
- Piston-Type Optical Modulator for Dynamic Thermal Radiation Tuning Applications.Materials (Basel, Switzerland) · 2021Article
- Perfect Absorption and Refractive-Index Sensing by Metasurfaces Composed of Cross-Shaped Hole Arrays in Metal Substrate.Nanomaterials (Basel, Switzerland) · 2020Article
- Design of Dual-Band Terahertz Perfect Metamaterial Absorber Based on Circuit Theory.Molecules (Basel, Switzerland) · 2020Article
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Authors and funding
9 authors.
Funding
Abstract
In this paper, we demonstrate a tunable periodic hourglass-shaped graphene arrays absorber in the infrared (IR) and terahertz (THz) frequency bands. The effects of graphene geometric parameters, chemical potentials, periods, and incident angles on the pure absorption characteristics are studied by using the Finite Difference Time Domain (FDTD) method. In addition, this paper also analyzes the pure absorption characteristics of bilayer graphene arrays. The simulation results show that the maximum absorption reaches 38.2% for the monolayer graphene structure. Furthermore, comparing the bilayer graphene structure with the monolayer structure under the same conditions shows that the bilayer structure has a tunable dual-band selective absorption effect and has a higher maximum absorption of 41.7%. Moreover, it was found that there are dual-band tunable absorption peaks at 26 μm and 36.3 μm with the maximum absorption of 41.7% and 11%. The proposed structure is a convenient method which could be used in the design of graphene-based optoelectronic devices, biosensors, and environmental monitors.
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