Analysis of Asymmetric Dipoles Interacting in Heterogeneous Metal Nanorod Dimers

Lu Yu; Yang Qing; Du Guangqing; Chen Feng; Wu Yanmin; Ou Yan; Si Jinhai; Hou Xun

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Analysis of Asymmetric Dipoles Interacting in Heterogeneous Metal Nanorod Dimers

机译：非均质金属纳米棒二聚体中非对称偶极子相互作用的分析

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The localized electric field enhancement of Au-Ag nanorods dimer is theoretically investigated based on finite element method (FEM). An analytical mutual-interference model between asymmetric dipole-dimer has been built to describe the dipoles coupling with different resonance modes in heterogeneous dimer. Three prominent enhancement peaks could be observed from ultraviolet to visible spectrum, in which the ultraviolet resonance especially corresponds to a higher mode in both Ag and Au nanorods. The results reveal the strong coupling mechanism among different dipoles existing in the asymmetric dipole system, which could support the design of plasmonic nanodevices in larger resonance wavelength range.

机译：基于有限元方法（FEM），从理论上研究了Au-Ag纳米棒二聚体的局部电场增强。建立了非对称偶极二聚体之间的分析互干扰模型，以描述异质二聚体中不同共振模式的偶极耦合。从紫外线到可见光谱可以观察到三个突出的增强峰，其中紫外线共振尤其对应于Ag和Au纳米棒中的较高模式。结果表明不对称偶极子系统中存在的不同偶极子之间的强耦合机制，可以支持更大共振波长范围内的等离子体纳米器件的设计。

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来源
《Plasmonics》 |2015年第6期|共6页
作者
Lu Yu; Yang Qing; Du Guangqing; Chen Feng; Wu Yanmin; Ou Yan; Si Jinhai; Hou Xun;
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正文语种 eng
中图分类物理学;
关键词
Localized surface plasmon resonance (LSPR); Heterogeneous dimer; Mutual interference; Dipole coupling;

机译：局部表面等离子体共振;异质二聚体;相互干扰;偶极耦合;

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1. Analysis of Asymmetric Dipoles Interacting in Heterogeneous Metal Nanorod Dimers [J] . Lu Yu, Yang Qing, Du Guangqing, Plasmonics . 2015,第6期

机译：非均质金属纳米棒二聚体中非对称偶极子相互作用的分析
2. Theoretical analysis of bimetallic nanorod dimer biosensors for label-free molecule detection [J] . Avijit Das, Muhammad Anisuzzaman Talukder AIP Advances . 2018,第2期

机译：用于无标记分子检测的双金属纳米棒二聚体生物传感器的理论分析
3. Heterogeneous interconnections between precious metals: Evidence from asymmetric and frequency-domain spillover analysis [J] . Resources policy . 2019,第期

机译：贵金属之间的异质互连：来自不对称和频率域溢出分析的证据
4. Exact decoupling of two dipole-dipole interacting dimers [C] . T. Cusati, A. Napoli, A. Messina RIAO/OPTILAS 2004 . 2004

机译：两个偶极-偶极相互作用的二聚体的精确去耦
5. Trace gases in the atmosphere: Laser ionization of atmospherically relevant species, and the generation of chlorine dioxide (OClO), dichlorine oxide (Cl(2)O), and the asymmetric chlorine oxide dimer (ClClO(2)) by heterogeneous reactions of chlorine oxide radicals. [D] . McKeachie, J. Ryan. 2005

机译：大气中的痕量气体：与大气相关的物种的激光电离，以及由于氯的异质反应而生成的二氧化氯（OClO），二氧化氯（Cl（2）O）和不对称的氧化氯二聚体（ClClO（2））氧化物自由基。
6. Highly Enantioselective Cascade Transformations by Merging Heterogeneous Transition Metal Catalysis with Asymmetric Aminocatalysis [O] . Luca Deiana, Samson Afewerki, Carlos Palo-Nieto, -1

机译：通过非均相氨基催化合并非均相过渡金属催化的高对映选择性级联转化
7. Insights into directional scattering: from coupled dipoles to asymmetric dimer nanoantennas [O] . Abass, Aimi, Gutsche, Philipp, Maes, Björn, 2016

机译：定向散射的见解：从耦合偶极子到不对称二聚体纳米天线

Analysis of Asymmetric Dipoles Interacting in Heterogeneous Metal Nanorod Dimers

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