基于折射率的传感器上 TiN 纳米结构的尺寸和形状的详细分析

IF 3.3 4区物理与天体物理 Q2 CHEMISTRY, PHYSICAL Plasmonics Pub Date : 2024-07-26 DOI:10.1007/s11468-024-02444-9

Yashika, Jyoti Katyal

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引用次数: 0

摘要

本研究文章的一个重要应用是利用 TiN 纳米结构提高基于折射率的局部表面等离子体共振（LSPR）传感器的灵敏度。基于局部表面等离子体共振的传感器在检测微小环境变化方面非常有效，而这些传感器的一个关键指标就是折射率灵敏度 (RIS)。TiN 纳米粒子的独特性质和 FDTD 方法的精确性促使人们对优化 TiN 纳米粒子的尺寸和形状以增强 RIS 产生浓厚兴趣。通过优化上述参数，我们将 RIS 最大化至 ~979 nm/RIU，从而提高了基于 LSPR 的传感器的性能。这项研究对于开发基于氮化物的高灵敏、高效 LSPR 传感器至关重要，该传感器可应用于生物医学诊断、环境监测等领域。

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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Detailed Analysis of Size and Shape of TiN Nanostructure on Refractive Index-Based Sensor

One significant application of this research article is enhancing the sensitivity of refractive index-based localized surface plasmon resonance (LSPR) sensor by using TiN nanostructures. The LSPR-based sensors are highly effective in detecting minute environmental changes and a crucial measure for these sensors is the refractive index sensitivity (RIS). The unique properties of TiN nanoparticles and the precision of the FDTD method drive significant interest in optimizing size and shape of TiN nanoparticles for enhanced RIS. By optimizing above mention parameters, we maximized the RIS to ~979 nm/RIU, thereby improving the performance of LSPR-based sensors. This research is vital for developing highly sensitive and efficient nitride-based LSPR-based sensors, which have applications in biomedical diagnostics, environmental monitoring, and other fields.

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来源期刊

Plasmonics 工程技术-材料科学：综合

CiteScore

5.90

自引率

6.70%

发文量

164

审稿时长

2.1 months

期刊介绍： Plasmonics is an international forum for the publication of peer-reviewed leading-edge original articles that both advance and report our knowledge base and practice of the interactions of free-metal electrons, Plasmons. Topics covered include notable advances in the theory, Physics, and applications of surface plasmons in metals, to the rapidly emerging areas of nanotechnology, biophotonics, sensing, biochemistry and medicine. Topics, including the theory, synthesis and optical properties of noble metal nanostructures, patterned surfaces or materials, continuous or grated surfaces, devices, or wires for their multifarious applications are particularly welcome. Typical applications might include but are not limited to, surface enhanced spectroscopic properties, such as Raman scattering or fluorescence, as well developments in techniques such as surface plasmon resonance and near-field scanning optical microscopy.