Localized surface plasmon resonance sensing based on nanoparticles arrays

Juanyi Liu; Huan Yang; Xiangang Luo; Wenying Ma; Yunlin Liu

doi:10.1117/12.838178

23 November 2009 Localized surface plasmon resonance sensing based on nanoparticles arrays

Juanyi Liu, Huan Yang, Xiangang Luo, Wenying Ma, Yunlin Liu

Proceedings Volume 7508, 2009 International Conference on Optical Instruments and Technology: Advanced Sensor Technologies and Applications; 75081F (2009) https://doi.org/10.1117/12.838178
Event: International Conference on Optical Instrumentation and Technology, 2009, Shanghai, China

Abstract

The performance of square silver nanoprisms arrays for molecular sensing applications is studied by the Finite Difference Time Domain (FDTD) method. The result shows that the electromagnetic coupling between the nanoparticles can be optimized to increase the sensitivity. Especially, arrays with the highest extinction and the sharpest resonance bandwidth are found to be more than 100 nm/RIU refractive index of sensitivity compared with the single particle. The result of study can offer some valuable guidance to the properties of localized surface plasmon resonance sensor with nanoparticles arrays how to be improved. This nanoparticle array with high sensitivity holds a great potential in the applications as biochemical sensor based localized surface plasmon rensonance.

Citation Download Citation

Juanyi Liu, Huan Yang, Xiangang Luo, Wenying Ma, and Yunlin Liu "Localized surface plasmon resonance sensing based on nanoparticles arrays", Proc. SPIE 7508, 2009 International Conference on Optical Instruments and Technology: Advanced Sensor Technologies and Applications, 75081F (23 November 2009); https://doi.org/10.1117/12.838178

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