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Novel surface plasmon resonance detector for the detection of various alcohols with ultra-high sensitivity

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Abstract

Alcohol detection is a worldwide problem since it is frequently poisonous, affects the central nervous system, and can result in coma and death. Therefore, to detect different alcohols like ethanol, propanol, etc., it is necessary to have an accurate and sensitive sensor. Here, a hybrid structure made of bismuth ferrite and black phosphor (BPS) is used for the numerical analysis of a surface plasmon resonance detector (SPRD). Utilizing the transfer matrix approach and the angular interrogation methodology, the theoretical investigation is carried out at a wavelength of 632.8 nm. Water, ethanol, propanol, and butanol are the sensing media. It is noticed that using a low index prism can increase sensitivity after the efficiency of the structure is examined using various refractive index prisms. To obtain greater sensitivity, the layer thicknesses of the proposed SPRD are tuned. The butanol analyte exhibits the highest performance of the proposed SPRD, with a sensitivity of 358 deg/RIU, which is superior to several previous articles on SPRDs. A simple, customizable design and nano-size of the proposed SPRD structure also make it a very effective detector of chemical and biological substances.

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The data supporting the findings in this work are available from the corresponding author with reasonable request.

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Acknowledgements

The authors would like to thank the Deanship of Scientific Research at Umm Al-Qura University for supporting this work by Grant Code: (22UQU4170008DSR04).

Funding

The authors would like to thank the Deanship of Scientific Research at Umm Al-Qura University for supporting this work by Grant Code: (22UQU4170008DSR04)

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Contributions

MGD, SKP conceived the idea, MGD and NMA worked on methodology, MGD, SKP and FAA worked on the simulation of the designs, NMA, MGD validated the design. All authors finalized the design results. All authors contributed to writing the paper, SKP and FAA finalized the final version for submission.

Corresponding authors

Correspondence to Shobhit K. Patel or Fahad Ahmed Al-Zahrani.

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Daher, M.G., Ahmed, N.M., Patel, S.K. et al. Novel surface plasmon resonance detector for the detection of various alcohols with ultra-high sensitivity. Opt Quant Electron 55, 1102 (2023). https://doi.org/10.1007/s11082-023-05418-z

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  • DOI: https://doi.org/10.1007/s11082-023-05418-z

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