用黑磷和WSe2增强表面等离子体共振生物传感器的灵敏度

2019 International Conference on Robotics,Electrical and Signal Processing Techniques (ICREST) Pub Date : 2019-01-01 DOI:10.1109/ICREST.2019.8644142

Jannati Nabiha Nur, Kamrun Nahar Shushama, Fairuj Asrafy, Mohammad Hasibul Hasan Hasib, Mohammad Abdul Goffar Khan

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引用次数: 3

摘要

本文采用基于仿真的数值和图形演示方法，提出了Kretschmann配置SPR生物传感器。提出了由银(Ag)层、黑磷(BP)层和二维TMDC二硒化钨(WSe2)层组成的五层生物传感器模型。采用角调制法对波长为633nm的单色P偏振入射光的测量结果进行评价。通过使用三层BP和一层WSe2，可以获得367.8571°/RIU的最高灵敏度。通过改变最小反射率、共振角和灵敏度进行层优化。这种推荐的生物传感器模型在改变传感介质的折射率的同时给出了理想的最大灵敏度变化。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Sensitivity Enhancement of Surface Plasmon Resonance Biosensor using Black Phosphorus and WSe2

In this paper, Kretschmann configuring SPR biosensor has been proposed using simulation based numerical and graphical demonstration. Five layers of biosensor model is submitted consisting of Silver (Ag), Black phosphorus (BP) and two dimensional TMDC Tungsten Diselenide (WSe2) layers. Angular modulation is adapted to evaluate the results by monochromatic P polarized incident light with 633nm wavelength. Highest sensitivity of 367.8571 °/RIU is achieved by using three layers of BP along with only one layer of WSe2. Layer optimization is carried out by changing the minimum reflectance, change in resonance angle and sensitivity. This recommended biosensor model gives the desirable maximum change in sensitivity while changing the refractive index of the sensing medium.

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来源期刊

2019 International Conference on Robotics,Electrical and Signal Processing Techniques (ICREST)

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