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XIAOGANG WU1,2,* , ZHIQUAN LI1, KAI TONG1, XIAOPENG JIA3, WENCHAO LI3, SHILIANG GUO2, XIN LI4
- School of Electrical Engineering, Yanshan University, Qinghuangdao, 066004, China
- School of Civil and Transportaion Engineering, Ningbo University of Technology, Ningbo,315211, China
- School of Control Engineering, Northeastern University at Qinhuangdao, Qinhuangdao, 066004, China
- School of Mathematics and Information Science and Technology, Hebei Normal University of Science & Technology, Qinhuangdao 066004, China
A wide range glucose concentration detection method based on surface plasmon resonance in near infrared wave is proposed. A novel prism coupling structure is designed for glucose concentration sensor, and the indium tin oxide(ITO) film and ZnO-graphene hybrid nano-sheet is chosen to enhance surface plasmon resonance based on Au nanowires array. The thickness of each dielectric layer for the structure designed are analyzed to get the optimal value by finite element method, in orderthat the sensitivity of glucose concentration sensor is able to be enhanced greatly. The optimal thickness of each dielectric layer are given, and the sensitivity of surface plasmon resonance glucose concentration sensor can reach as high as 0.0395º/(g/L)conc. in the wide detection range of glucose concentration, 0g/L～100g/L conc. And the relationship between glucose concentration and surface plasmon resonance angle are obtained in the detection range of glucose concentration..
Glucose concentration, SPR, Sensitivity, Graphene, Au nanowires, Finite element meth.
Submitted at: Oct. 17, 2019
Accepted at: June 11, 2021
XIAOGANG WU, ZHIQUAN LI, KAI TONG, XIAOPENG JIA, WENCHAO LI, SHILIANG GUO, XIN LI, Glucose concentration sensor based on enhanced surface plasmon resonance by ITO film using Au nanowires array and ZnO-graphene hybrid nano-sheet, Journal of Optoelectronics and Advanced Materials Vol. 23, Iss. 5-6, pp. 245-251 (2021)
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