Design of Graphene Metasurface Sensor for Efficient Detection of COVID-19

IF 3.3 4区物理与天体物理 Q2 CHEMISTRY, PHYSICAL Plasmonics Pub Date : 2023-07-19 DOI:10.1007/s11468-023-01946-2

Jacob Wekalao, Osamah Alsalman, N. A. Natraj, Jaymit Surve, Juveriya Parmar, Shobhit K. Patel

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引用次数: 2

Abstract

The COVID-19 pandemic has underscored the essential need for quick and precise virus detection techniques, to stop the virus from spreading. In this paper, we have proposed a brand-new graphene metasurface sensor for effective COVID-19 detection. We have used graphene metasurfaces to increase the sensitivity of the proposed sensor. The suggested sensor architecture takes advantage of the plasmonic characteristics of graphene metasurfaces to enable the detection of particular COVID-19-related biomarkers. Strong light-graphene interactions are achieved through careful tailoring of the graphene metasurface geometry, resulting in improved sensing capabilities. The suggested graphene metasurface sensor has a number of benefits, including its small size, low cost, and ability to work with current detecting systems. Additionally, its label-free detection methodology does away with the need for laborious sample preparation stages, enabling quick on-site testing. The sensor's performance is compared to current state-of-the-art detection techniques in order to demonstrate its higher sensitivity and effectiveness. The sensor achieves a maximum sensitivity of sensitivity of 600 GHz/RIU and an excellent FOM value of 4.959 RIU⁻¹.

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用于新冠肺炎有效检测的石墨烯金属表面传感器的设计

2019冠状病毒病大流行凸显了对快速和精确的病毒检测技术的迫切需要，以阻止病毒的传播。在本文中，我们提出了一种全新的石墨烯超表面传感器，用于有效检测COVID-19。我们使用石墨烯超表面来提高所提出传感器的灵敏度。建议的传感器架构利用石墨烯超表面的等离子体特性来检测特定的covid -19相关生物标志物。通过精心定制石墨烯超表面几何形状，可以实现强光-石墨烯相互作用，从而提高传感能力。所提出的石墨烯超表面传感器具有许多优点，包括体积小、成本低、能够与电流检测系统一起工作。此外，其无标签检测方法不需要费力的样品制备阶段，实现快速现场测试。该传感器的性能与当前最先进的检测技术进行了比较，以证明其更高的灵敏度和有效性。该传感器最大灵敏度为600 GHz/RIU, FOM值为4.959 RIU−1。

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来源期刊

Plasmonics 工程技术-材料科学：综合

CiteScore

5.90

自引率

6.70%

发文量

164

审稿时长

2.1 months

期刊介绍： Plasmonics is an international forum for the publication of peer-reviewed leading-edge original articles that both advance and report our knowledge base and practice of the interactions of free-metal electrons, Plasmons. Topics covered include notable advances in the theory, Physics, and applications of surface plasmons in metals, to the rapidly emerging areas of nanotechnology, biophotonics, sensing, biochemistry and medicine. Topics, including the theory, synthesis and optical properties of noble metal nanostructures, patterned surfaces or materials, continuous or grated surfaces, devices, or wires for their multifarious applications are particularly welcome. Typical applications might include but are not limited to, surface enhanced spectroscopic properties, such as Raman scattering or fluorescence, as well developments in techniques such as surface plasmon resonance and near-field scanning optical microscopy.