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首页> 外文期刊>Journal of nano research >Design Considerations Influencing Optical Response in Gold Spherical Nanoparticles
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Design Considerations Influencing Optical Response in Gold Spherical Nanoparticles

机译：影响金球形纳米粒子光学响应的​​设计考虑因素

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In this article, the relations between extinction cross section and Gold nanoparticle's parameters such as dimensions have been investigated. In this work, the extinction cross section of the core-shell nanoparticles is analyzed by changing the shell material and its thickness. By this, the interesting results such as shifting resonant peak in optical response are obtained. Moreover, a new model of nanostructure is proposed in which the resonant peak of extinction cross section can be controlled by adding silicon nanoparticles and impurity in the shell. This method can be used for tuning of the scattering properties of the core-shell nanoparticle. In the following, we demonstrate that the effective epsilon properties can be used for tuning of the desired optical response in the combinational structure of the spherical nanoparticles. At the end, the effective relative epsilon is also calculated for the selected structures. The operational frequency band is selected from 300 (THz) to 900 (THz).
机译：在本文中，已经研究了消光截面与金纳米颗粒的参数（例如尺寸）之间的关系。在这项工作中，通过改变壳材料及其厚度来分析核-壳纳米颗粒的消光截面。这样，获得了有趣的结果，例如光学响应中的共振峰移动。此外，提出了一种新的纳米结构模型，其中可以通过在壳中添加硅纳米颗粒和杂质来控制消光截面的共振峰。该方法可用于调节核-壳纳米颗粒的散射性质。在下文中，我们证明有效的ε性质可用于调节球形纳米颗粒的组合结构中的所需光学响应。最后，还为所选结构计算了有效相对ε。工作频带从300（THz）到900（THz）中选择。

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