Self-consistent determination of plasmonic resonances in ternary nanocomposites

被引：28

作者：

Garcia, Hernando ^{[1
]}

Trice, Justin

Kalyanaraman, Ramki

Sureshkumar, Radhakrishna

机构：

[1] So Illinois Univ, Dept Phys, Edwardsville, IL 62026 USA

[2] Washington Univ, Dept Phys, St Louis, MO 63130 USA

[3] Washington Univ, Ctr Mat Innovat, St Louis, MO 63130 USA

[4] Washington Univ, Dept Energy Environm & Chem Engn, St Louis, MO 63130 USA

来源：

PHYSICAL REVIEW B | 2007年 / 75卷 / 04期

关键词：

D O I：

10.1103/PhysRevB.75.045439

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

We have developed a self-consistent technique to predict the behavior of plasmon resonances in multicomponent systems as a function of wavelength. This approach, based on the tight lower bounds of the Bergman-Milton formulation, is able to predict optical data, including the positions, shifts, and shapes of plasmonic peaks in ternary nanocomposites without using any fitting parameters. We obtained excellent predictions of the experimental data for mixtures of Ag:Cu:SiO2 and alloys of Au-Cu:SiO2 and Ag-Au:H2O. The essential physics of plasmonic behavior is captured by this approach.

引用

页数：4

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