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Proceedings Paper

Graphene oxide modified surface plasmon resonance sensor based on side-polished fiber
Author(s): Jing Zhao; Ying Wang; Changrui Liao; Shaoqing Cao; Mingquan Li; Yiping Wang
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Paper Abstract

A Graphene Oxide (GO) modified surface plasmon resonance (SPR) sensor based on the silver-coated side-polished fiber was demonstrated. Stable GO aqueous dispersion was prepared through sonication, confirmed by UV-vis absorption spectrum and Tyndall effect. GO nanosheets were decorated on the Octadecanethiol (ODT)-silver sensor surface, where ODT act as a link between the silver and GO nano-films. The GO decoration process was in-situ monitored by SPR wavelength interrogation method. The proposed SPR fiber sensor show a refractive index sensitivity up to 2252.0 nm/RIU in the range of 1.30 ∼ 1.40 RIU and can be used as promising candidate in biosensing.

Paper Details

Date Published: 23 April 2017
PDF: 4 pages
Proc. SPIE 10323, 25th International Conference on Optical Fiber Sensors, 1032321 (23 April 2017); doi: 10.1117/12.2262975
Show Author Affiliations
Jing Zhao, Shenzhen Univ. (China)
Ying Wang, Shenzhen Univ. (China)
Changrui Liao, Shenzhen Univ. (China)
Shaoqing Cao, Shenzhen Univ. (China)
Mingquan Li, Shenzhen Univ. (China)
Yiping Wang, Shenzhen Univ. (China)

Published in SPIE Proceedings Vol. 10323:
25th International Conference on Optical Fiber Sensors
Youngjoo Chung; Wei Jin; Byoungho Lee; John Canning; Kentaro Nakamura; Libo Yuan, Editor(s)

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