A surface-enhanced Raman scattering (SERS)-active optical fiber sensor based on a three-dimensional sensing layer

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ID: 60725
2014
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Abstract
To fabricate a new surface-enhanced Raman scattering (SERS)-active optical fiber sensor, the design and preparation of SERS-active sensing layer is one of important topics. In this study, we fabricated a highly sensitive three-dimensional (3D) SERS-active sensing layer on the optical fiber terminal via in situ polymerizing a porous polymer material on a flat optical fiber terminal through thermal-induced process, following with the photochemical silver nanoparticles growth. The polymerized polymer formed a 3D porous structure with the pore size of 0.29–0.81 μm, which were afterward decorated with abundant silver nanoparticles with the size of about 100 nm, allowing for higher SERS enhancement. This SERS-active optical fiber sensor was applied for the determination of 4-mercaptopyridine, crystal violet and maleic acid The enhancement factor of this SERS sensing layer can be reached as about 108. The optical fiber sensor with high sensitive SERS-active porous polymer is expected for online analysis and environment detection. Keywords: Optical fiber sensor, 3D SERS substrate, Porous polymer, Laser-induced growth, Ag nanoparticles
Reference Key
liu2014asensing Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Chunyu Liu, Shaoyan Wang, Gang Chen, Shuping Xu, Qiong Jia, Ji Zhou, Weiqing Xu
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Journal sensing and bio-sensing research
Year 2014
DOI
DOI not found
URL
http://www.sciencedirect.com/science/article/pii/S2214180414000087
Keywords
chemistry microscopy Materials of engineering and construction. Mechanics of materials Chemical technology Engineering (General). Civil engineering (General) Industrial electrochemistry Technology Electrical engineering. Electronics. Nuclear engineering Descriptive and experimental mechanics Science physics analytical chemistry

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