Surface-Enhanced Fluorescence of Rhodamine 6G on the Assembled Silver Nanostructures

被引：19

作者：

Liu, Gaining ^{[1
]}

Zheng, Hairong ^{[1
]}

Liu, Meicen ^{[1
]}

Zhang, Zhenglong ^{[1
]}

Dong, Jun ^{[1
]}

Yan, Xiaoqing ^{[1
]}

Li, Xuqiang ^{[1
]}

机构：

[1] Shaanxi Normal Univ, Sch Phys & Informat Technol, Xian 710062, Peoples R China

来源：

JOURNAL OF NANOSCIENCE AND NANOTECHNOLOGY | 2011年 / 11卷 / 11期

关键词：

Surface Enhanced Fluorescence (SEF); Silver Island Film (SIF); Rhodamine 6G (Rh6G); P-Aminothiophenol (PATP); GOLD NANOPARTICLES; MOLECULAR FLUORESCENCE; RAMAN-SCATTERING;

D O I：

10.1166/jnn.2011.5302

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

The fluorescence emission and enhancement of Rhodamine 6G on the silver island films (Si Fs) with and without 4-Aminothiophenol molecules have been investigated. It was found that the Si Fs without 4-Aminothiophenol molecules (PATP) have less contribution to the fluorescence enhancement. However, when PATP molecules as a spacer were deposited on the Si Fs, obvious fluorescence enhanced effect was observed. The results show that the fluorescence enhancement depends on the morphology of the substrate surface and the distance between fluorophore molecules and the substrate surface. The experimental observations can be explained by local surface plasmon resonance and local field enhancement theory.

引用

页码：9523 / 9527

页数：5

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