Theoretical study on Surface-enhanced Raman scattering effects of gold nanoparticles in Terahertz range

被引：0

作者：

Zhang Yong-Ming ^{[1
]}

Ren Guang-Jun ^{[1
]}

Bai Yu-Kun ^{[2
]}

Yao Jian-Quan ^{[3
]}

机构：

[1] Tianjin Univ Technol, Engn Res Ctr Commun Devices & Technol, Tianjin Key Lab Film Elect & Commun Devices, Sch Elect Informat Engn,Minist Educ, Tianjin 300384, Peoples R China

[2] Tianjin Univ Technol, Engn Res Ctr Commun Devices & Technol, Sch Comp & Commun Engn, Minist Educ, Tianjin 300384, Peoples R China

[3] Tianjin Univ, Coll Precis Instrument & Optoelect Engn, Key Lab Optoelect informat Sci & Technol, Inst Laser & Optoelect,Minist Educ, Tianjin 300072, Peoples R China

来源：

JOURNAL OF OPTOELECTRONICS AND ADVANCED MATERIALS | 2016年 / 18卷 / 5-6期

关键词：

Gold nanoparticles; SERS; Terahertz; SPECTROSCOPY; SERS; ULTRAVIOLET; HISTORY;

D O I：

暂无

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

We present here a theoretical analysis of the possibility to combine SERS with THz by investigating the electromagnetic enhancement effect of gold nanoparticles with visible to near-infrared and THz excitation. By means of the FDTD simulations, the electrical field enhancement, and thus the SERS enhancement factor of the gold nanoparticles with different sizes and interparticle separations are demonstrated, which indicate that the SERS effect exists in THz range as well and the SERS enhancement factor could reach 10(5) for 10 THz under the condition of certain size and interparticle distance. Therefore the SERS effect could be extended from ultraviolet, visible and near-infrared to THz regime.

引用

页码：498 / 503

页数：6

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