Preparation of a SERS substrate using vacuum-synthesized silver nanoparticles

被引：24
|
作者：
Horimoto, N
Ishikawa, N
Nakajima, A
机构：
[1] Keio Univ, Dept Chem, Fac Sci & Technol, Kohoku Ku, Yokohama, Kanagawa 2238522, Japan
[2] CREST, Japan Sci & Technol Agcy, Fac Sci & Technol,Dept Chem, Kohoku Ku, Yokohama, Kanagawa 2238522, Japan
来源：
CHEMICAL PHYSICS LETTERS | 2005年 / 413卷 / 1-3期
基金：
日本学术振兴会;
关键词：
D O I：
10.1016/j.cplett.2005.07.054
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：
Vacuum-synthesized Ag nanoparticles were dispersed and immobilized on an organosilane-functionalized glass surface in water. Nearly spherical particles with diameters of approximate to 200 nm were used for a substrate for surface enhanced Raman scattering (SERS). Molecules deposited on this substrate in both gas and liquid phases were detected by SERS. The SERS efficiency of this substrate was compared with that of Ag colloidal substrate and the morphological difference of these SERS substrates was studied by scanning electron microscopy. The aggregates of 5-10 Ag nanoparticles formed at the spread area exhibited prominent SERS activity. (c) 2005 Elsevier B.V. All rights reserved.
引用
收藏
页码：78 / 83
页数：6
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