ArticleScientific reports2021
A theoretical design of evanescent wave biosensors based on gate-controlled graphene surface plasmon resonance.
Article in Scientific reports, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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7 citing papers in PubMed.
- Emerging 2D Materials and Their Hybrid Nanostructures for Label-Free Optical Biosensing: Recent Progress and Outlook.Advanced functional materials · 2025Article
- H-polarized natural modes of microsize graphene strip grating in gain-material layer: regularizing Galerkin technique and lasing threshold conditions.Philosophical transactions. Series A, Mathematical, physical, and engineering sciences · 2025Article
- Reviewing advances in nanophotonic biosensors.Frontiers in chemistry · 2024Review
- Design of a Reconfigurable Ultra-Wideband Terahertz Polarization Rotator Based on Graphene Metamaterial.Sensors (Basel, Switzerland) · 2023Article
- Environmental Monitoring: A Comprehensive Review on Optical Waveguide and Fiber-Based Sensors.Biosensors · 2022Review
- Spoiling of tunability of on-substrate graphene strip grating due to lattice-mode-induced transparency.RSC advances · 2022Article
- Near-infrared tunable surface plasmon resonance sensors based on graphene plasmonsRSC advances · 2021Article
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Abstract
A surface plasmon resonance (SPR) sensor based on gate-controlled periodic graphene ribbons array is reported. Different from the conventional methods by monitoring reflectivity variations with respect to incident angle or wavelength, this approach measures the change in SPR curve against the variation of graphene chemical potential (via dynamically tuning the gate voltage) at both fixed incident angle and wavelength without the need of rotating mirror, tunable filter or spectrometer for angular or wavelength interrogation. Theoretical calculations show that the sensitivities are 36,401.1 mV/RIU, 40,676.5 mV/RIU, 40,918.2 mV/RIU, and 41,160 mV/RIU for analyte refractive index (RI) equal to 1.33, 1.34, 1.35 and 1.36; their figure of merit (1/RIU) are 21.84, 24, 23.74 and 23.69, respectively. Significantly, the enhancement in the non-uniform local field due to the subwavelength graphene ribbon resonator can facilitate the detection in redistribution of protein monolayers modeled as dielectric bricks.
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