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Investigating the effect of surface termination and thickness of MXene on the detection response of the SPR sensor using FDTD simulation by Lilik Hasanah; Rahma Mutia; Chandra Wulandari; Budi Mulyanti; Siti Kudnie Sahari; Roer Eka Pawinanto; Azrul Azlan Hamzah is a Engineering article available to read on EtoBox.

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Surface plasmon resonance (SPR) is an optical-based detection technique that is of great interest in research because of its rapid detection and label-free features. Current SPR sensor development focuses on modifying the sensing surface for maximum bioreceptor and target immobilization. In this research, we proposed SPR sensor with the Kretschmann configuration modified by adding immobilization layers using a few layers of MXene ( T i 3 C 2 T 2 ). MXene is an alternative two-dimensional material suitable for sensors because it has surface termination (T2) which active to immobilize the target. The different surface termination ( T = O , O H , F ) and number of MXene layers was added on the SPR sensor to obtained the optimum parameters of MXene application. Using Finite-Difference Time-Domain (FDTD) method, the SPR sensor is simulated on a different refractive index background which is assumed as the analyte. The different surface termination produces different SPR curves at the same refractive index conditions, the changes are found in the position of the SPR angle and the width of the curve. Thus, the results of surface termination variations are evaluated based on the full-width

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Author

Lilik Hasanah; Rahma Mutia; Chandra Wulandari; Budi Mulyanti; Siti Kudnie Sahari; Roer Eka Pawinanto; Azrul Azlan Hamzah

Publisher

Elsevier BV

Published

2023

Language

EN

Field

Engineering (Physical Sciences)