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Influence of black phosphorous on performance of surface plasmon resonance biosensor

机译：黑磷对表面等离子体共振生物传感器性能的影响

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摘要

In this paper, we demonstrate gold-black phosphorus (Au-BP) based surface plasmon resonance (SPR) biosensor. The unique electronic and optical properties of black phosphorous like direct band gap, smaller work function, high charge carrier mobility, and better binding of molecules on sensor surface are utilized. The thickness of gold layer is optimized at 633 nm wavelength to achieve best possible sensing performance parameter i.e. sensitivity and detection accuracy. Further, silicon layer is used to enhance the detection accuracy. The performance of the proposed biosensor with and without using silicon layers are compared with conventional and graphene based biosensor. Finally, it is observed that the higher sensitivity of proposed SPR biosensor is about 1.42 times of the conventional and 1.40 times graphene based SPR biosensor.
机译：在本文中，我们演示了基于金黑磷（Au-BP）的表面等离振子共振（SPR）生物传感器。利用了黑磷的独特电子和光学特性，如直接带隙，较小的功函，高的载流子迁移率以及分子在传感器表面的更好结合。金层的厚度在633 nm波长处进行了优化，以实现最佳的感测性能参数，即灵敏度和检测精度。此外，硅层用于提高检测精度。将所提议的具有或不具有硅层的生物传感器的性能与常规的和基于石墨烯的生物传感器进行比较。最后，观察到所提出的SPR生物传感器的更高灵敏度是传统的和基于石墨烯的SPR生物传感器的约1.42倍。

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  • 来源
    《Optical and quantum electronics》 |2017年第12期|403.1-403.13|共13页
  • 作者

    Sarika Pal; Alka Verma; Y. K. Prajapati; J. P. Saini;

  • 作者单位

    Department of Electronics and Communication Engineering, K.I.E.T Group of Institutions, Ghaziabad, Uttar Pradesh 201206, India;

    Department of Electronics and Communication Engineering, Motilal Nehru National Institute of Technology, Allahabad, Uttar Pradesh 211004, India;

    Department of Electronics and Communication Engineering, Motilal Nehru National Institute of Technology, Allahabad, Uttar Pradesh 211004, India;

    Department of Electronics and Communication Engineering, B.I.E.T, Jhansi, Uttar Pradesh 284128, India;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Sensitivity; Detection accuracy; Surface plasmon resonance; Graphene; Black phosphorus;

    机译：灵敏度;检测精度;表面等离子体共振;石墨烯黑磷;

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