Rajeev Kumar, Ritesh Singh Shah, Abdullah Saad Alsubaie, Naim Ben Ali, Mukesh Kumar, Amrindra Pal
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引用次数: 0
Abstract
Two-dimensional (2D) material-based surface plasmon resonance (SPR) sensor is proposed to detect the basal cancer at 633 nm wavelength. This work detects the analyte between refractive index (RI) 1.33 and 1.335 and also detects the particular application, such as normal and cancer basal cells (NBC and CBC), considered for analysis. This sensor consists of BK7 prism, gold (Au), and hafnium diselenide (HfSe2) materials which analyzed the performance parameters like sensitivity, full width at half maximum (FWHM), detection accuracy (DA), figure of merit (FoM), and penetration depth (PD). The sensitivity through the proposed sensor is maximum at a specific thickness of the Au layer. Calculated values of sensitivity for the proposed sensor are 275.47°/RIU with analyte RI of 1.33–1.335. Moreover, for basal cancer, the maximum sensitivity of 280.06°/RIU is achieved. The proposed sensor with high sensitivity is a suitable structure for the diagnosis of various cancer type applications.
期刊介绍：
Plasmonics is an international forum for the publication of peer-reviewed leading-edge original articles that both advance and report our knowledge base and practice of the interactions of free-metal electrons, Plasmons.
Topics covered include notable advances in the theory, Physics, and applications of surface plasmons in metals, to the rapidly emerging areas of nanotechnology, biophotonics, sensing, biochemistry and medicine. Topics, including the theory, synthesis and optical properties of noble metal nanostructures, patterned surfaces or materials, continuous or grated surfaces, devices, or wires for their multifarious applications are particularly welcome. Typical applications might include but are not limited to, surface enhanced spectroscopic properties, such as Raman scattering or fluorescence, as well developments in techniques such as surface plasmon resonance and near-field scanning optical microscopy.
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