Surface-enhanced Raman scattering effect of gold nanoparticle arrays: The influence of annealing temperature, excitation power and array thickness

被引：9
作者：
Liu, G. Q. [1 ,4 ]
Liu, Z. Q. [2 ,3 ]
Chen, Y. H. [1 ,4 ]
Huang, K. [1 ,4 ]
Li, L. [1 ,4 ]
Tang, F. L. [1 ,4 ]
Gong, L. X. [1 ,4 ]
Hu, Y. [1 ,4 ]
Zhang, X. N. [1 ,4 ]
机构：
[1] Jiangxi Normal Univ, Coll Phys & Commun Elect, Nanchang 330022, Peoples R China
[2] Nanjing Univ, Dept Phys, Nanjing 210093, Jiangsu, Peoples R China
[3] Nanjing Univ, Natl Lab Solid State Microstruct, Nanjing 210093, Jiangsu, Peoples R China
[4] Key Lab Optoelect & Telecommun Jiangxi, Nanchang 330022, Peoples R China
来源：
OPTIK | 2013年 / 124卷 / 21期
基金：
中国国家自然科学基金;
关键词：
Surface-enhanced Raman scattering; Optical material and property; Metal forming and shaping; SERS;
D O I：
10.1016/j.ijleo.2013.03.048
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Gold nanoparticle arrays are fabricated for surface-enhanced Raman scattering (SERS) and the effect of the annealing temperature, the thickness of nanoparticle array and the exciting power on the SERS signals are investigated. The particle distribution and particle size are dense and uniform on the glass substrate when the 10 nm gold film was annealed at 250 degrees C and strong SERS signals for Rhodamine 6G were achieved via a 532 nm excitation with a 10 mW power. The SERS signal at 1650 cm(-1) is enhanced more than 10 times as compared to that of the gold film without annealing. The strong SERS behavior of gold nanoparticle arrays may broaden the SERS applications in biomedical and analytical chemistry. (C) 2013 Elsevier GmbH. All rights reserved.
引用
收藏
页码：5124 / 5126
页数：3
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