张敬萍;付光杰;吕靖薇;刘超;王金玉;牟海维;

• 1:东北石油大学电气信息工程学院
• 2:东北石油大学电子科学学院

摘要(Abstract)：

以对称性破缺Au-ITO-Ag纳米核壳结构为研究对象,采用有限元法系统研究其LSPR消光特性的影响因素及变化规律,运用等离激元杂化理论对其LSPR现象进行解释。研究结果表明:纳米核壳的消光特性对入射光偏振方向极其敏感;当入射光偏振方向垂直和平行于对称轴方向时,横向模式︱ω_⊥〉和轴向模式︱ω_//〉可产生多个偶极和高阶共振模式;通过改变Au内核的半径,3层纳米核壳的LSPR共振模式可调谐至近红外区域,在生物传感器和选择性滤波器应用方面潜力巨大。

关键词(KeyWords)： 消光特性;对称性破缺;Au-ITO-Ag纳米核壳;有限元法

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金(51474069;51374072);; 中国博士后基金(2016M59150);; 黑龙江省自然科学基金(E2016007);; 东北石油大学培育基金(py120219)

作者(Author): 张敬萍;付光杰;吕靖薇;刘超;王金玉;牟海维;

Email:

DOI: 10.14024/j.cnki.1004-244x.20170502.002

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