Microwave monitoring of silver nanoparticle sintering for surface-enhanced Raman scattering substrates

被引：3

作者：

Figueroa, Manuel ^{[2
]}

Pourrezaei, Kambiz ^{[2
]}

Tyagi, Somdev ^{[1
]}

机构：

[1] Drexel Univ, Dept Phys, Philadelphia, PA 19104 USA

[2] Drexel Univ, Sch Biomed Engn Sci & Hlth Syst, Philadelphia, PA 19104 USA

来源：

JOURNAL OF RAMAN SPECTROSCOPY | 2012年 / 43卷 / 04期

关键词：

SERS; microwave absorption; thermal annealing; nanoparticle ink; surface plasmons;

D O I：

10.1002/jrs.3073

中图分类号：

O433 [光谱学];

学科分类号：

0703 ; 070302 ;

摘要：

One of the most widely used methods for surface-enhanced Raman scattering (SERS) employs silver or gold nanoparticles either in colloidal suspension or in the dry-drop form. In such substrates the SERS amplification factors depend critically on the interparticle distances. Here, we report that microwave absorption as a function of temperature in dry-drop substrates can be used as a probe to demarcate temperature regions for thermal annealing to produce SERS substrates with very high amplification factors. Copyright (c) 2011 John Wiley & Sons, Ltd.

引用

页码：588 / 591

页数：4

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