纳米等离子体传感器研究进展
首发时间:2019-04-19
摘要:纳米等离子体传感器在如生物传感技术等很多基础和重要领域具有潜在的应用,尤其是在医疗应用和环境监测等方面。品质因数(FOM)和灵敏度(S)测量是评估LSPR传感器性能的两种方法。然而,与传统的表面等离子体共振(SPR)传感器相比,LSPR传感器由于LSP波的辐射阻尼导致的能量的高损耗使得其FOM很低。目前已经有很多不同的方法用来增强LSPR传感器的性能,包括改变各种几何参数(如形状,大小等)和材料,改变结构,以及与贵金属、石墨烯等材料进行掺杂。
关键词: 表面等离子 局域表面等离子体共振 传感器
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Research progree in nanoplasma sensors
Abstract:Nanoplasmon resonance sensors have potential applications in many fundamental and important areas such as biosensing technology, especially in medical applications and environmental monitoring. Figure of Merit (FOM) and sensitivity (S) measurements are two methods for evaluating the performance of LSPR sensors. However, compared to conventional surface plasmon resonance (SPR) sensors, the high loss of energy of the LSPR sensor due to the radiant damping of the LSP wave makes its FOM very low. There are many different ways to enhance the performance of LSPR sensors, including changing various geometric parameters (such as shape, size, etc.) and materials, changing the structure, and doping with noble metals, graphene and other materials.
Keywords: Surface plasma;Localized surface plasmon resonance;sensor
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