ArticleScientific reports2018
Enhanced sensitivity in THz plasmonic sensors with silver nanowires.
Article in Scientific reports, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 13 papers.
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Who cites it
13 citing papers in PubMed.
- Research progress on nanomaterials in promoting phage function and application.Applied and environmental microbiology · 2026Review
- Research Progress of Terahertz Technology in Microbiology.Biosensors · 2026Review
- Fabrication and application of 3D Terahertz metamaterials with vertical multinanogaps for spectroscopic sensing.Scientific reports · 2025Article
- Article
- Polyurethane-Encapsulated Biomass Films Based on MXene@Loofah Sponge for Piezoresistive Pressure Sensor Applications.Polymers · 2024Article
- Terahertz Metamaterials for Biosensing Applications: A Review.Biosensors · 2023Review
- Metasurfaces for Sensing Applications: Gas, Bio and Chemical.Sensors (Basel, Switzerland) · 2022Review
- Characterization of Silver Nanowire Layers in the Terahertz Frequency Range.Materials (Basel, Switzerland) · 2021Article
- A Review of THz Technologies for Rapid Sensing and Detection of Viruses including SARS-CoV-2.Biosensors · 2021Review
- A review on plasmonic and metamaterial based biosensing platforms for virus detection.Sensing and Bio-Sensing Research · 2021Review
- Determination of Permittivity of Dielectric Analytes in the Terahertz Frequency Range Using Split Ring Resonator Elements Integrated with On-Chip Waveguide.Sensors (Basel, Switzerland) · 2020Article
- Highly sensitive detection ofRSC advances · 2020Article
- Labyrinth Metasurface for Biosensing Applications: Numerical Study on the New Paradigm of Metageometries.Sensors (Basel, Switzerland) · 2019Article
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Authors and funding
7 authors.
Funding
Abstract
We developed hybrid slot antenna structures for microbial sensing in the THz frequency range, where silver nanowires (AgNWs) were employed to increase the sensitivity. In order to fabricate the hybrid devices, we partially etched the AgNW in the slot antenna region, where we can expect the field enhancement effect at the AgNW tip. We measured the resonant-frequency shift observed upon the deposition of a polymer layer, and observed that the sensitivity increased upon the introduction of AgNWs, with an enhancement factor of more than four times (approximately six times in terms of figure-of-merit). The sensitivity increased with the AgNW density until saturation. In addition, we tested devices with PRD1 viruses, and obtained an enhancement factor of 3.4 for a slot antenna width of 3 μm. Furthermore, we performed finite-difference time-domain simulations, which confirmed the experimental results. The sensitivity enhancement factor decreased with the decrease of the slot width, consistent with the experimental findings. Two-dimensional mapping of the electric field confirmed the strong field localization and enhancement at the AgNW tips.
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Registered trials
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