Detection of Organic Material Using Tungsten Ditelluride Based Surface Plasmon Resonance Sensor

IF 4.3 4区物理与天体物理 Q2 CHEMISTRY, PHYSICAL Plasmonics Pub Date : 2024-05-22 DOI:10.1007/s11468-024-02356-8

Bhishma Karki, Partha Sarkar, K. H. Mahmoud, A. SA. Alsubaie, Manoj Sharma

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Abstract

To detect organic materials such as pentane, n-hexane, n-heptane, and n-octane by the proposed sensor. Even with this development, real-time analysis and high performance remain challenges for the sensor. To solve the problems, the current work suggests a numerical investigation for developing a surface plasmon resonance (SPR) sensor. This comprehensive study’s targeted sensitivity was attained by applying tungsten ditelluride (WTe₂) onto a metal layer. Theoretically, organic materials are detected with a high sensitivity of 185.58 deg. RIU⁻¹, 202.42 deg. RIU⁻¹, 208 deg. RIU⁻¹, and 213.75 deg. RIU⁻¹. The Ag metal layer is the most suitable for the Kretschmann configuration based on the achieved sensitivity. Due to its potential for physical realization, the Kretschmann configuration is employed in this study. The MATLAB simulations were used to optimize the layers’ thicknesses to achieve high sensitivity. The proposed sensor is found to be most suitable for the stated application after its performance is also evaluated against that of previous research.

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利用基于二碲化钨的表面等离子体共振传感器检测有机材料

利用该传感器检测戊烷、正己烷、正庚烷和正辛烷等有机物质。即使有了这样的发展，实时分析和高性能仍然是传感器面临的挑战。为了解决这些问题，目前的工作建议对表面等离子体共振（SPR）传感器的开发进行数值研究。这项综合研究的目标灵敏度是通过在金属层上应用二碲化钨（WTe2）来实现的。理论上，有机材料的检测灵敏度为185.58°RIU−1,202.42°RIU−1,208°RIU−1和213.75°RIU−1。基于获得的灵敏度，银金属层最适合克雷茨曼结构。由于其物理实现的潜力，在本研究中采用了Kretschmann配置。利用MATLAB仿真优化了层的厚度，以达到较高的灵敏度。在与先前的研究结果进行了性能评估后，发现所提出的传感器最适合所述应用。

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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.