High-performance surface plasmon resonance sensor based on Ag/TiO2/MoS2

Shuhan Chen; Haobin Lin; Linhua Yuan

doi:10.1117/12.2662173

12 April 2023 High-performance surface plasmon resonance sensor based on Ag/TiO₂/MoS₂

Shuhan Chen, Haobin Lin, Linhua Yuan

Proceedings Volume 12565, Conference on Infrared, Millimeter, Terahertz Waves and Applications (IMT2022); 1256519 (2023) https://doi.org/10.1117/12.2662173
Event: Conference on Infrared, Millimeter, Terahertz Waves and Applications (IMT2022), 2022, Shanghai, China

Abstract

A surface plasmon resonance (SPR) based sensor composing by silver (Ag) film capped with spacer layer of titanium dioxide (TiO₂) and molybdenum disulfide (MoS₂) nanosheets was proposed and demonstrated. The MoS₂ nanosheet overlayer coated on the proposed Ag/TiO₂ substrate was demonstrated to further enhance the sensing sensitivity significantly. Benefitting from spacer layer with TiO₂ and MoS₂ overlayer with large surface area, the sensitivity of 3692.4 nm/RIU in the experiment was achieved.

Citation Download Citation

Shuhan Chen, Haobin Lin, and Linhua Yuan "High-performance surface plasmon resonance sensor based on Ag/TiO₂/MoS₂", Proc. SPIE 12565, Conference on Infrared, Millimeter, Terahertz Waves and Applications (IMT2022), 1256519 (12 April 2023); https://doi.org/10.1117/12.2662173

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