Plasmon-enhanced fluorescence of dye molecules

被引：26
作者：
Iosin, Monica [1 ]
Baldeck, Patrice [2 ,3 ]
Astilean, Simion [1 ]
机构：
[1] Univ Babes Bolyai, Nanobiophoton Laboratory, Inst Interdisciplinary Expt Res, Cluj Napoca 400271, Romania
[2] Univ Grenoble 1, Spectrometrie Phys Lab, F-38402 St Martin Dheres, France
[3] Ecole Natl Super Electrochim & Electrome Grenoble, Thermodynam & Physicochim Met Lab, CNRS, UMR5588, F-38402 St Martin Dheres, France
来源：
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM INTERACTIONS WITH MATERIALS AND ATOMS | 2009年 / 267卷 / 02期
关键词：
Metal-enhanced fluorescence; Gold colloids; Dye; Plasmons; GOLD NANOPARTICLES; SURFACES; EMISSION;
D O I：
10.1016/j.nimb.2008.10.055
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
Enhanced fluorescence from Rhodamine 6G (R6G) mixed with gold colloids has been observed. We used fluorescence microscopy to correlate the fluorescence intensity of the dyes with the localized surface plasmon resonance (LSPR) spectra of the gold nanoparticles to which they are attached. Spectroscopic studies show that a 2.8-fold amplification of the fluorescence signal in presence of colloidal Au nanoparticles (GNP) was observed in resonance with plasmons. Such fluorophore-metal complex presents a unique opportunity for developing a new class of contrast agents for optical imaging and fluorescence based sensing, having a great potential for applications in the fields of medical diagnostics and biotechnology. (c) 2008 Elsevier B.V. All rights reserved.
引用
收藏
页码：403 / 405
页数：3
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