光电工程, 2017, 44 (2): 243, 网络出版: 2017-03-31  

High sensitivity SPR sensor for liquid phase sample with Ag/PbS/Graphene hybrid nanostructure

High sensitivity SPR sensor for liquid phase sample with Ag/PbS/Graphene hybrid nanostructure
作者单位
1 School of Electronic and Electrical Engineering, Chuzhou University, Chuzhou 239000, China
2 College of Physics and Electronic Information, Anhui Normal University, Wuhu 241000, China
摘要
Abstract
Sensors based on surface plasmon resonance (SPR) are widely recognized as valuable tools for sensing of liquid phase samples. It can be used in real-time monitoring of various biomolecular interactions, such as DNA hybridization and protein bindings since it is a simple, direct, real time and sensitive optical sensing technique used for probing refractive index changes. In recent years, Graphene (GR) has been applied in SPR sensors to improve the sensitivity. However, the detection sensitivity and accuracy of the sensors are lower for the loss of the electromagnetic field in GR which leads to the damping field and broad resonance peak in the SPR curve.

Kexiu Dong, Yanping Ji, Jiajia Mi, Xiaotong Zhao, Bin Wu, Wangxia Huang, Jianping Shi. High sensitivity SPR sensor for liquid phase sample with Ag/PbS/Graphene hybrid nanostructure[J]. 光电工程, 2017, 44(2): 243. Kexiu Dong, Yanping Ji, Jiajia Mi, Xiaotong Zhao, Bin Wu, Wangxia Huang, Jianping Shi. High sensitivity SPR sensor for liquid phase sample with Ag/PbS/Graphene hybrid nanostructure[J]. Opto-Electronic Engineering, 2017, 44(2): 243.

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