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<p>The present study designed a new surface plasmon resonance (SPR) sensor based on a BaF<sub>2</sub> prism, silver (Ag), silicon (Si), and tantalum diselenide (TaSe<sub>2</sub>) 2D material structure for the detection of basal cells. The angular interrogation method allows us to evaluate the performance exponentially at 633&#xa0;nm. The proposed sensor demonstrates improved sensitivity and accuracy and detects the basal cell uses. The sensor proposed has a maximum sensitivity of 337.47°/RIU, a detection accuracy (DA) of 0.254/°, and a figure of merit (FoM) of 85.87/RIU. The research indicates that the integration of Si and TaSe<sub>2</sub> layers with traditional plasmonic metals can enhance sensitivity and provide a platform for further environmental monitoring and medical diagnostics.</p>

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Design of a Silicon and Tantalum Diselenide-Based Multilayer Surface Plasmon Resonance Sensor for Early Detection of Skin Cancer

  • 期刊论文

  • 发表日期：

    2025年7月22日

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  • Bhishma Karki,
  • Youssef Trabelsi,
  • Amrindra Pal,
  • Chethan M.,
  • Helen Merina Albert,
  • Tapasmini Sahoo,
  • Anita Gehlot

摘要

The present study designed a new surface plasmon resonance (SPR) sensor based on a BaF2 prism, silver (Ag), silicon (Si), and tantalum diselenide (TaSe2) 2D material structure for the detection of basal cells. The angular interrogation method allows us to evaluate the performance exponentially at 633 nm. The proposed sensor demonstrates improved sensitivity and accuracy and detects the basal cell uses. The sensor proposed has a maximum sensitivity of 337.47°/RIU, a detection accuracy (DA) of 0.254/°, and a figure of merit (FoM) of 85.87/RIU. The research indicates that the integration of Si and TaSe2 layers with traditional plasmonic metals can enhance sensitivity and provide a platform for further environmental monitoring and medical diagnostics.