单个及阵列状金纳米环结构的LSPR光谱特性研究

MA Jun-xian; TAN Rui-hu; FANG Yu; ZHENG Da-wei; LUO Xian-gang

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单个及阵列状金纳米环结构的LSPR光谱特性研究

MA Jun-xian , TAN Rui-hu , FANG Yu , ZHENG Da-wei , LUO Xian-gang

文章导航 > 中国光学 > 2010 > 3(1): 75-78

MA Jun-xian, TAN Rui-hu, FANG Yu, ZHENG Da-wei, LUO Xian-gang. 单个及阵列状金纳米环结构的LSPR光谱特性研究[J]. 中国光学, 2010, 3(1): 75-78.

引用本文:

MA Jun-xian, TAN Rui-hu, FANG Yu, ZHENG Da-wei, LUO Xian-gang. 单个及阵列状金纳米环结构的LSPR光谱特性研究[J]. 中国光学, 2010, 3(1): 75-78.

MA Jun-xian, TAN Rui-hu, FANG Yu, ZHENG Da-wei, LUO Xian-gang. LSPR spectral properties of Au nano-ring arrays and single Au nanoparticles[J]. Chinese Optics, 2010, 3(1): 75-78.

Citation:

MA Jun-xian, TAN Rui-hu, FANG Yu, ZHENG Da-wei, LUO Xian-gang. LSPR spectral properties of Au nano-ring arrays and single Au nanoparticles[J]. Chinese Optics, 2010, 3(1): 75-78.

单个及阵列状金纳米环结构的LSPR光谱特性研究

1.
Advanced Technology Research Center,Shenzhen University,Shenzhen 518060,China

LSPR spectral properties of Au nano-ring arrays and single Au nanoparticles

1.
Advanced Technology Research Center,Shenzhen University,Shenzhen 518060,China

摘要: In this paper, we simulate Localized Surface Plasmon Resonance(LSPR) absorption of periodic Au nano-ring arrays and single Au nanoparticles using the Finite Difference Time Domain(FDTD) method. We choose input plane waves of different wavelengths and discuss the relation between the absorption peak of the Au array and the variable external dielectric constants. It is found that the sensitivity of these sensors based on LSPR is improved compared to the common sensors and the enhancement is caused by the periodical structure. We also investigate the spectrum characteristic of a single Au nanoparticle and discuss the relation between the absorption peak and the size of the nanoparticle.
- LSPR /
- absorption spectrum /
- 3D FDTD /
- nanoparticles
Abstract: In this paper, we simulate Localized Surface Plasmon Resonance(LSPR) absorption of periodic Au nano-ring arrays and single Au nanoparticles using the Finite Difference Time Domain(FDTD) method. We choose input plane waves of different wavelengths and discuss the relation between the absorption peak of the Au array and the variable external dielectric constants. It is found that the sensitivity of these sensors based on LSPR is improved compared to the common sensors and the enhancement is caused by the periodical structure. We also investigate the spectrum characteristic of a single Au nanoparticle and discuss the relation between the absorption peak and the size of the nanoparticle.
- LSPR /
- absorption spectrum /
- 3D FDTD /
- nanoparticles

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单个及阵列状金纳米环结构的LSPR光谱特性研究

1. Advanced Technology Research Center,Shenzhen University,Shenzhen 518060,China

收稿日期: 2009-10-11
修回日期: 2009-12-13
刊出日期: 2010-02-25

关键词:

LSPR /

absorption spectrum /

3D FDTD /

nanoparticles

摘要: In this paper, we simulate Localized Surface Plasmon Resonance(LSPR) absorption of periodic Au nano-ring arrays and single Au nanoparticles using the Finite Difference Time Domain(FDTD) method. We choose input plane waves of different wavelengths and discuss the relation between the absorption peak of the Au array and the variable external dielectric constants. It is found that the sensitivity of these sensors based on LSPR is improved compared to the common sensors and the enhancement is caused by the periodical structure. We also investigate the spectrum characteristic of a single Au nanoparticle and discuss the relation between the absorption peak and the size of the nanoparticle.

English Abstract

MA Jun-xian, TAN Rui-hu, FANG Yu, ZHENG Da-wei, LUO Xian-gang. 单个及阵列状金纳米环结构的LSPR光谱特性研究[J]. 中国光学, 2010, 3(1): 75-78.

引用本文:

MA Jun-xian, TAN Rui-hu, FANG Yu, ZHENG Da-wei, LUO Xian-gang. 单个及阵列状金纳米环结构的LSPR光谱特性研究[J]. 中国光学, 2010, 3(1): 75-78.

MA Jun-xian, TAN Rui-hu, FANG Yu, ZHENG Da-wei, LUO Xian-gang. LSPR spectral properties of Au nano-ring arrays and single Au nanoparticles[J]. Chinese Optics, 2010, 3(1): 75-78.

Citation:

MA Jun-xian, TAN Rui-hu, FANG Yu, ZHENG Da-wei, LUO Xian-gang. LSPR spectral properties of Au nano-ring arrays and single Au nanoparticles[J]. Chinese Optics, 2010, 3(1): 75-78.