提高表面等离子体共振生物传感器检测精度和质量因子的灵敏度

2019 1st International Conference on Advances in Science, Engineering and Robotics Technology (ICASERT) Pub Date : 2019-05-01 DOI:10.1109/ICASERT.2019.8934602

Mohammad Hasibul Hasan Hasib, Jannati Nabiha Nur, Kamrun Nahar Shushama, I. Rahaman, M. Rana, M. A. Al Mahfuz

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引用次数: 2

摘要

在本文中，我们展示了一种具有高检测精度(DA)和高质量因子(QF)的基于Kretschmann配置的高灵敏度表面等离子体共振(SPR)生物传感器。通过数值模拟和图形分析，提出了五层生物传感器模型。在这个模型中，石墨烯和黑磷的异质结构提高了生物传感器的灵敏度。由于CaF2的折射率(RI)较小，银(Ag)与棱镜CaF2耦合具有更好的反射率。该模型对633 nm波长p偏振光的最高灵敏度为263.51º/RIU，检测精度(DA)为2.14，质量因子(QF)为57.915 RIU-1。

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Enhancement of Sensitivity for Surface Plasmon Resonance Biosensor with Higher Detection Accuracy and Quality Factor

In this paper, we demonstrate a highly sensitive Kretschmann configuration based surface plasmon resonance (SPR) biosensor with high detection accuracy (DA) and quality factor (QF). Five layers of biosensor model is proposed using numerical simulation and graphical analysis. In this model, graphene and heterostructures of black phosphorus improve the sensitivity of biosensor. Silver (Ag) is coupled with prism CaF2 for better reflectivity, since CaF2 has the less refractive index (RI). The mentioned model gives the highest sensitivity for 633 nm wavelength p-polarized light is 263.51 º/RIU with higher detection accuracy (DA) 2.14 and quality factor (QF) 57.915 RIU-1.

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2019 1st International Conference on Advances in Science, Engineering and Robotics Technology (ICASERT)

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