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Modelling plexcitons of periodic gold nanorod arrays with molecular components

机译:用分子组分建模一流的金纳米座阵列

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摘要

Plasmonic or exciton/plasmon (plexcitonic) systems are presently described based on electromagnetic models, ignoring the need for an improved microscopic understanding. This is based on the fact that a full quantum mechanical approach on a micrometer scale still represents a considerable challenge. In this paper we report on the experimental observation of plexcitons in 2D gold nanorod array systems coupled to dye molecules and we provide a description of the experimental data using a quantum model. We show that treating the collective behavior in the array as being represented by a single quasiparticle is a suitable approximation that offers the opportunity to avoid the complicated calculation of long-distance interactions between the individual nanoparticles of the plexcitonic, periodic system. This enables us to model the optical response of plasmons in nanostructured arrays in contact with quantum emitters and to derive microscopic informations. Our work provides a potential tool for the design of plexcitonic
机译:目前基于电磁模型描述了等离子体或激子/等离子体(PLEXCITONIC)系统,忽略了改进的显微理解的需要。这是基于微米级上的全量子机械方法仍然是相当大的挑战。在本文中,我们报告了耦合到染料分子的2D金纳米峰阵列系统中的PLEXCITON的实验观察,并且我们使用量子模型提供了实验数据的描述。我们表明,将阵列中的集体行为视为由单个Quasiparticle表示的是合适的近似,其提供了避免Plexcitonic,周期性系统的各个纳米颗粒之间的长距离相互作用的复杂计算。这使我们能够在与量子发射器接触的纳米结构阵列中模拟等离子体中的光学响应和衍生微观信息。我们的工作为Plexcitonic设计提供了一种潜在的工具

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  • 来源
    《Nanotechnology》 |2017年第19期|共6页
  • 作者单位

    TU Braunschweig Inst Cond Matter Phys D-38106 Braunschweig Germany;

    Harbin Inst Tech Weihai Dept Opt &

    Elect Sci Weihai Peoples R China;

    Phys Techn Bundesanstalt Dept 3 14 Opt Analyt D-38116 Braunschweig Germany;

    TU Braunschweig Inst Inorgan &

    Analyt Chem D-38106 Braunschweig Germany;

    TU Braunschweig Inst Inorgan &

    Analyt Chem D-38106 Braunschweig Germany;

    TU Braunschweig Inst Semicond Technol D-38106 Braunschweig Germany;

    TU Braunschweig Inst Messtech &

    Grundlagen Elektrotech D-38106 Braunschweig Germany;

    TU Braunschweig Inst Cond Matter Phys D-38106 Braunschweig Germany;

  • 收录信息
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 特种结构材料;
  • 关键词

    plexcitons; nanorod arrays; surface plasmons;

    机译:PLEXCITONS;NANOROD阵列;表面等离子体;

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