用银镍双金属薄膜覆盖二维材料增强表面等离子共振传感器的灵敏度

Sensor Letters Pub Date : 2020-10-01 DOI:10.1166/sl.2020.4284

L. Castañeda

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引用次数: 0

摘要

本文提出了一种利用二维材料在磁性材料Ni / Ag双金属层上增强灵敏度的Kretschmann结构，并利用菲涅耳方程和传递矩阵法对其进行了数值分析。结果表明，这种混合结构具有较好的优化金属层厚度和比氮利用率。在厚度为40 nm的Ag上添加10 nm的Ni和2层WSe2，可以使二维材料的灵敏度提高到298°/RIU。

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Sensitivity Enhancement of Surface Plasmon Resonance Sensor with Two Dimensional Materials Covered on Silver-Nickel Bimetallic Thin Solid Films

In this paper a new sensing configuration with enhanced sensitivity utilizing 2D materials on the bimetallic layers of Magnetic Material Ni over Ag for Kretschmann configuration is proposed and analyzed numerically using Fresnel equation and transfer matrix method. Results show that such a hybrid configuration with well optimized thickness of metallic layer and utilization of specific no. of 2D materials can increases the sensitivity as high as 298°/RIU is absorbed for the configuration consist 10 nm of Ni over 40 nm thickness of Ag added with a 2 layers of WSe2.

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来源期刊

Sensor Letters 工程技术-电化学

自引率

0.00%

发文量

审稿时长

6 months

期刊介绍： The growing interest and activity in the field of sensor technologies requires a forum for rapid dissemination of important results: Sensor Letters is that forum. Sensor Letters offers scientists, engineers and medical experts timely, peer-reviewed research on sensor science and technology of the highest quality. Sensor Letters publish original rapid communications, full papers and timely state-of-the-art reviews encompassing the fundamental and applied research on sensor science and technology in all fields of science, engineering, and medicine. Highest priority will be given to short communications reporting important new scientific and technological findings.