Enhanced surface plasmon resonance fiber sensor based on Graphene Oxide

被引：0

作者：

Zhao, Jing ^{[1
]}

Wang, YiPing ^{[2
]}

Liao, ChangRui ^{[2
]}

Wang, Yi ^{[2
]}

He, Jun ^{[2
]}

机构：

[1] ShenZhen Inst Informat Technol, Sch Intelligent Mfg & Equipment, Shenzhen, Peoples R China

[2] Shenzhen Univ, Key Lab Optoelect Devices & Syst, Minist Educ & Guangdong Prov, Shenzhen, Peoples R China

来源：

2018 ASIA COMMUNICATIONS AND PHOTONICS CONFERENCE (ACP) | 2018年

基金：

中国国家自然科学基金;

关键词：

Surface Plasmon resonance; fiber sensor; Graphene Oxide; sensitivity;

D O I：

暂无

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We demonstrated a Graphene Oxide (GO) enhanced Surface Plasmon Resonance (SPR) sensor based on silver-coated side-polished fiber. GO nano-sheets were decorated on the Octadecanethiol (ODT)-silver surface of the side-polished fiber, which enhance the interaction between the SPR wave and molecules near the sensing surface. Experimental results demonstrate that the sensitivity of the GO-modified SPR sensor enhance to 2252.0 nm/RIU, compared with the traditional silver-coated SPR sensor of 1523.5 nm/RIU, which is improved 1.48 times. Meanwhile, ODT and GO films protect the silver-based SPR sensor from degradation and improved the stability of the silver-based SPR sensor. The proposed fiber sensor can be used as promising candidate in portable testing instruments with high immobilization ability for biochemical sensing application.

引用

页数：3

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