Photochemical modification of an optical fiber tip with a silver nanoparticle film: A SERS chemical sensor

被引：98

作者：

Zheng, Xianliang ^{[1
]}

Guo, Dangwei ^{[1
]}

Shao, Yunliang ^{[1
]}

Jia, Shaojie ^{[1
]}

Xu, Shuping ^{[1
]}

Zhao, Bing ^{[1
]}

Xu, Weiqing ^{[1
]}

Corredor, Charlie ^{[2
]}

Lombardi, John R. ^{[2
]}

机构：

[1] Jilin Univ, State Key Lab Supramol Struct & Mat, Changchun 130012, Peoples R China

[2] CUNY City Coll, Dept Chem, New York, NY 10031 USA

来源：

LANGMUIR | 2008年 / 24卷 / 08期

关键词：

D O I：

10.1021/la703993j

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

We present a method of photochemical modification of an optical fiber tip with a silver nanoparticle film. The deposited silver nanoparticle film displays alternating light and dark circles, which are similar to a radial diffraction pattern. The modified optical fiber is examined as a chemical sensor for in situ detection. The modified fibers show excellent SERS activity, a low limit of detection (LOD), and good reproducibility. The maximum SERS activity of the sensor was achieved within 5.0 min of deposition. Thus, the method is also quite rapid.

引用

页码：4394 / 4398

页数：5

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