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首页> 外文期刊>Journal of Physics, D. Applied Physics: A Europhysics Journal >On the temperature sensing capability of a fibre optic SPR mechanism based on bimetallic alloy nanoparticles
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On the temperature sensing capability of a fibre optic SPR mechanism based on bimetallic alloy nanoparticles

机译：基于双金属合金纳米粒子的光纤SPR机构的温度感测能力

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摘要

In this work, we have investigated the capability of different bimetallic nanoparticle alloy combinations to be used in fibre optic temperature sensing based on the technique of surface plasmon resonance (SPR). The metals considered for the present analysis are silver, gold and aluminium. The analysis is derived mainly from the thermo-optic effect along with some fundamental concepts of metal optics such as surface scattering, phonon-electron scattering and electron-electron scattering. The performance of the sensor with three different bimetallic nanoparticle alloy combinations is evaluated and compared, numerically, in terms of its sensitivity and accuracy. On the basis of the comparison and some logistic criterion, we predict the best possible bimetallic alloy combination along with a requisite alloy composition ratio that simultaneously provides higher values of both sensitivity and accuracy which is not possible with any single metallic nanoparticle layer.
机译：在这项工作中，我们研究了基于表面等离振子共振（SPR）技术的不同双金属纳米粒子合金组合用于光纤温度传感的能力。本分析中考虑的金属为银，金和铝。分析主要来自热光效应以及金属光学的一些基本概念，例如表面散射，声子-电子散射和电子-电子散射。结合三种不同的双金属纳米粒子合金组合，对传感器的性能进行了评估，并就灵敏度和准确性进行了数值比较。基于比较和一些逻辑判断标准，我们预测了最佳的双金属合金组合以及必要的合金组成比，同时提供了更高的灵敏度和精度值，这是任何单个金属纳米粒子层都无法实现的。

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