Novel Approach for the Assembly of Highly Efficient SERS Substrates

被引：38

作者：

Cerf, Aline ^{[1
,2
]}

Molnar, Gabor ^{[2
,3
]}

Vieu, Christophe ^{[1
,2
]}

机构：

[1] LAAS, CNRS, F-31077 Toulouse, France

[2] Univ Toulouse, UPS,INSA, INP,ISAE, LAAS,LCC, F-31077 Toulouse, France

[3] CNRS, UPR 8241, Chim Coordinat Lab, F-31077 Toulouse, France

来源：

ACS APPLIED MATERIALS & INTERFACES | 2009年 / 1卷 / 11期

关键词：

gold nanoparticles; convective and capillary assembly; soft lithography; SERS; MEF; ENHANCED RAMAN-SCATTERING; NANOSPHERE LITHOGRAPHY; COLLOIDAL LITHOGRAPHY; SILVER NANOPARTICLES; SPECTROSCOPY; FABRICATION; ARRAYS; DIMERS;

D O I：

10.1021/am900476d

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

In this paper we present the properties of surface-enhanced Raman scattering (SERS) active substrates elaborated by a low-cost approach. Our methodology relying on capillary assembly and soft lithography allows us to generate products two-dimensional (2D) matrixes of 100 nm gold nanoparticle patterns in a very precise, cost-efficient and large-scale manner. For this study we assembled nanoparticle aggregates of different sizes (one to six particles) in order to determine the influence of the aggregation on the local electric field enhancement. We further demonstrate that this substrate is greatly efficient not only for SERS but also in metal enhanced fluorescence (MEF) for local enhancement of conventional fluorescence.

引用

页码：2544 / 2550

页数：7

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