Abstract
In the present study, a novel heterostructure of surface plasmon resonance (SPR) sensors has been proposed based on two-dimensional (2D) materials. 2D materials have attracted a huge response in the area of SPR biosensors, for the sensor performance analysis sensitivity and figure of merit (FOM) are the important parameters. Recently, SPR sensors are getting significant research interest due to their variety of applications. Fluorinated graphene (fluorographene) and MXene 2D materials have been theoretically investigated in this work, and also discussed about the detection accuracy (DA), sensitivity, FOM, and Full width half maximum (FWHM) for the proposed SPR sensors. It is investigated that the FOM found very high i.e., (347 RIU <sup xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">−1</sup> ) in this proposed sensor which is ten times greater as per the conventional Au thin film (50 nm) in the visible range SPR sensors at wavelength of 1550 nm. Our study using the novel proposed heterostructure can be developed into a new Surface Plasmon Polarization technique (SPP) SPR sensor material.
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