ArticleSensors (Basel, Switzerland)2018
Sensitivity Enhancement in Surface Plasmon Resonance Biochemical Sensor Based on Transition Metal Dichalcogenides/Graphene Heterostructure.
Article in Sensors (Basel, Switzerland), 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers.
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Who cites it
10 citing papers in PubMed.
- Enhanced urine glucose sensing using two-dimensional TMDCs-based SPR biosensor.Scientific reports · 2026Article
- Angular surface plasmon resonance-based sensor with a silver nanocomposite layer for effective water pollution detection.Scientific reports · 2023Article
- Sensitivity Enhancement of 2D Material-Based Surface Plasmon Resonance Sensor with an Al-Ni Bimetallic Structure.Sensors (Basel, Switzerland) · 2023Article
- Article
- 2D Material-Based Optical Biosensor: Status and Prospect.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2022Review
- 2D Nanomaterial-Based Surface Plasmon Resonance Sensors for Biosensing Applications.Micromachines · 2020Review
- Au nano-urchins enabled localized surface plasmon resonance sensing of beta amyloid fibrillation.Nanoscale advances · 2020Article
- Giant Goos-Hänchen Shifts in Au-ITO-TMDCs-Graphene Heterostructure and Its Potential for High Performance Sensor.Sensors (Basel, Switzerland) · 2020Article
- Investigation of Surface Plasmon Resonance (SPR) in MoSMicromachines · 2019Article
- Nanoplasmonic Approaches for Sensitive Detection and Molecular Characterization of Extracellular Vesicles.Frontiers in chemistry · 2019Review
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Authors and funding
8 authors.
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Abstract
In this work, a surface plasmon resonance (SPR) biosensor based on two-dimensional transition metal dichalcogenides (TMDCs) is proposed to improve the biosensor’s sensitivity. In this sensor, different kinds of two-dimensional TMDCs are coated on both surfaces of metal film. By optimizing the structural parameters, the angular sensitivity can reach as high as 315.5 Deg/RIU with 7-layers WS₂ and 36 nm Al thin film, which is 3.3 times of the conventional structure based on single Al thin film. We also obtain maximum phase sensitivity (3.85 × 10⁶ Deg/RIU) with bilayer WS₂ and 35 nm Al thin film. The phase sensitivity can be further improved by employing Ag and removing air layer. The proposed configuration is of great potential for biochemical sensing.
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