Graphene oxide modified surface plasmon resonance sensor based on side-polished fiber

Jing Zhao; Ying Wang; Changrui Liao; Shaoqing Cao; Mingquan Li; Yiping Wang

doi:10.1117/12.2262975

23 April 2017 Graphene oxide modified surface plasmon resonance sensor based on side-polished fiber

Jing Zhao, Ying Wang, Changrui Liao, Shaoqing Cao, Mingquan Li, Yiping Wang

Proceedings Volume 10323, 25th International Conference on Optical Fiber Sensors; 1032321 (2017) https://doi.org/10.1117/12.2262975
Event: 25th International Conference on Optical Fiber Sensors, 2017, Jeju, Korea, Republic of

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.

Citation Download Citation

Jing Zhao, Ying Wang, Changrui Liao, Shaoqing Cao, Mingquan Li, and Yiping Wang "Graphene oxide modified surface plasmon resonance sensor based on side-polished fiber", Proc. SPIE 10323, 25th International Conference on Optical Fiber Sensors, 1032321 (23 April 2017); https://doi.org/10.1117/12.2262975

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