Simple, repeatable and low-cost SERS fibre probe for fluorochrome detection
- Author(s): Meijing Xia 1, 2 ; Hao Guo 1, 2 ; Jun Tang 1, 2 ; Chunming Li 1, 2 ; Rui Zhao 1, 2 ; Lei Wang 1, 2 ; Wenyao Liu 1, 2 ; Jiangtao Yang 1, 2 ; Jun Liu 1, 2
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View affiliations
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Affiliations:
1:
Science and Technology on Electronic Test & Measurement Laboratory , North University of China , Taiyuan 030051 , Shanxi , People's Republic of China ;
2: School of Instrument and Electronics , North University of China , Taiyuan 030051 , Shanxi , People's Republic of China
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Affiliations:
1:
Science and Technology on Electronic Test & Measurement Laboratory , North University of China , Taiyuan 030051 , Shanxi , People's Republic of China ;
- Source:
Volume 13, Issue 5,
May
2018,
p.
714 – 719
DOI: 10.1049/mnl.2017.0740 , Online ISSN 1750-0443
A method for developing the spherical surface-enhanced Raman scattering (SERS) fibre probe is presented cladded with the silver nanoparticles to detect the fluorochrome molecular. By controlling the diameter of the fibre ball, the excellent SERS enhancement effect has been achieved up to about 105 due to the plasmonic silver nanoparticles, the coated parylene-C dielectric layer and the low-energy loss in the spherical resonant cavity. Meanwhile, the repeatability and stability of the fibre probe have been explored by coating the parylene-C with the error of 1%. It has proved an important superiority for potential commercial applications of this technique to detect the bio-molecular with the advantages of high sensitivity, high stability and low cost.
Inspec keywords: surface plasmon resonance; silver; nanoparticles; surface enhanced Raman scattering; plasmonics; dyes
Other keywords: spherical surface-enhanced Raman scattering; silver nanoparticles; SERS enhancement effect; low-energy loss; Ag; fibre ball; spherical resonant cavity; fluorochrome molecular; coated parylene-C dielectric layer; SERS fibre probe; fluorochrome detection; plasmonic silver nanoparticles
Subjects: Collective excitations (surface states); Infrared and Raman spectra in organic crystals; Structure of solid clusters, nanoparticles, nanotubes and nanostructured materials
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