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Enhancement of the sensitivity of a surface plasmon resonance sensor using a nobel structure based on barium titanate–graphene -silver

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Abstract

The Surface Plasmon Resonance (SPR) sensor field has been captivated by two-dimensional (2-D) materials. The two important parameters of the SPR sensors are figure of merit (FOM) and sensitivity, and it has been discussed with analyte range from 1.34 to 1.42. Herein, we proposed a hetro-structure based on Ag/ BaTiO3/Graphene/2D material as highly sensitivity SPR biosensor based on kretchmann configuration at the wavelength of 633 nm. The maximum sensitivity of proposed sensor obtained 347.20°/RIU at single layer of graphene and 25 layers of BaTiO3. Comparisons with other materials (like Au, Cu) also performed to see the impact on the proposed structure. The high sensor performance has wide application in biomedical, bio sensing and chemical detection.

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Acknowledgements

The authors would like to thank to Co-PI Dr. Umesh Kumar Tiwari a Principal Scientist from Advanced Materials and Sensors, Council of Scientific and Industrial Research–Central Scientific Instruments Organization (CSIR–CSIO), Chandigarh, India, of the CSIR funded Project titled “Design and development of deployable thin film-based evanescent field sensor to check the quality of food from adulteration “and Prof. Subramaniam Anantha Ramakrishna, the Director, CSIR–CSIO.

Funding

This work is financially supported by the project title "Design and Development of Deployable Thin film based evanescent field sensor to check the quality of food from adulteration," funded by "Council of Scientific & Industrial Research (CSIR), Government of India (GOI), with sanction number:70(0077)/19/EMR-II[IIT(ISM) Project number: CSIR(32)/2019–2020/663/ECE].

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In this work, PSP, SKR and YS contributed equally to the design, implementation and analysis of the research, and manuscript write-up.

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Correspondence to Purnendu Shekhar Pandey.

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Pandey, P.S., Raghuwanshi, S.K. & Singh, Y. Enhancement of the sensitivity of a surface plasmon resonance sensor using a nobel structure based on barium titanate–graphene -silver. Opt Quant Electron 54, 417 (2022). https://doi.org/10.1007/s11082-022-03803-8

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  • DOI: https://doi.org/10.1007/s11082-022-03803-8

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