Multilayer designs comprising zirconium nitride and perovskites as a novel angular plasmonic biomedical sensor

Abdulkarem H. M. Almawgani, Walied Sabra, Ali Hajjiah, Hussein A. Elsayed, Ahmed Mehaney, Ghassan Ahmed Ali, Yahya Ali Abdelrahman Ali, Wael S. Mohamed, Ashour M. Ahmed
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Abstract

In this paper, a comparison between different configurations of surface plasmon resonance (SPR) biosensors has been theoretically conducted to improve the performance of the designed biosensor. The proposed biosensor configurations contain zirconium nitride (ZrN) as an alternative plasmonic material, which comprises different perovskite materials (KNbO3, LiTaO3, LiNbO3, SrTiO3, and BaTiO3) in the visible region. Depending on the study calculations, the reflection spectra of the suggested designs were studied under the angular interrogation mode based on Fresnel coefficients for the transverse magnetic polarized light. The numerical findings demonstrated that the SPR biosensor, which has the configuration of [Prism/BaTiO3/ZrN/BaTiO3/Biosensing medium], represents the best biosensor due to its higher sensitivity and minimum reflectivity values. Meanwhile, sensitivity could receive 179.58 (deg/RIU). Therefore, it is believed that the proposed SPR biosensor designs could be promising through wide-ranging applications, specifically in biomedical, chemical, and environmental protection.
由氮化锆和钙钛矿组成的多层新型角等离子体生物医学传感器
本文从理论上比较了表面等离子体共振(SPR)生物传感器的不同配置,以提高设计的生物传感器的性能。提出的生物传感器结构包含氮化锆(ZrN)作为替代等离子体材料,其在可见光区域由不同的钙钛矿材料(KNbO3, LiTaO3, LiNbO3, SrTiO3和BaTiO3)组成。根据研究计算,在基于菲涅耳系数的角度询问模式下,研究了所建议设计的横向磁偏振光的反射光谱。结果表明,具有[Prism/BaTiO3/ZrN/BaTiO3/Biosensing medium]结构的SPR生物传感器具有较高的灵敏度和最小的反射率值,是最佳的生物传感器。灵敏度可达179.58(度/RIU)。因此,我们认为所提出的SPR生物传感器设计具有广泛的应用前景,特别是在生物医学、化学和环境保护方面。
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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