Electron beam lithography designed chemical nanosensors based on localized surface plasmon resonance

被引：59

作者：

Barbillon, G. ^{[1
]}

Bijeon, J. -L. ^{[1
]}

Plain, J. ^{[1
]}

de la Chapelle, M. Lamy ^{[1
]}

Adam, P. -M. ^{[1
]}

Royer, P. ^{[1
]}

机构：

[1] Univ Technol Troyes, CNRS, Inst Charles Delaunay, FRE 2848,Lab Nanotechnol & Intrumentat Opt, F-10010 Troyes, France

来源：

SURFACE SCIENCE | 2007年 / 601卷 / 21期

关键词：

localized surface plasmon resonance; electron beam lithography; nanosensor; MUA; polyelectrolytes;

D O I：

10.1016/j.susc.2007.09.005

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Efficient nanochemosensors designed by electron beam lithography and based on localized surface plasmon resonance excited on noble metal nanocylinders are presented. Using localized surface plasmon resonance spectroscopy, we report here a high sensitivity corresponding to a density of about 18 x 10(-21) Mol of adsorbate per nanocylinders, we present the results obtained with gold and silver nanoparticles. This detection corresponds to less than one monolayer of molecules adsorbate on the nanoparticle. Additionally a subsequent layers deposition of polyelectrolytes is used to detect very thin polymer films. Although the results presented in this work are far from conclusive, the advantages of these nanochemosensors discussed here open the possibilities of further developments in a wide range of chemical and medical applications. (C) 2007 Elsevier B.V. All rights reserved.

引用

页码：5057 / 5061

页数：5

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