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Published in: Journal of Computational Electronics 1/2023

15-11-2022

PtSe2 and black phosphorus employed for sensitivity improvement in the surface plasmon resonance sensor

Authors: Bhishma Karki, Gufranullah Ansari, Arun Uniyal, Vivek Srivastava

Published in: Journal of Computational Electronics | Issue 1/2023

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Abstract

The analysis aims to enhance the sensitivity of the surface plasmon resonance-based
sensor. The proposed sensor consists of a single layer of Ag metal, black phosphorus (BP), and Platinum diselenide (PtSe2). The thickness of the Ag metal is considered as 45 nm. The study was carried out using attenuated total reflection. The refractive index of the sensor changes when analyte or biomolecules comes in contact with the sensing layer. The thickness of the BP layer has been taken as 0.34 nm. The maximum sensitivity of the sensor is achieved for one layer of PtSe2 and two layers of BP. The calculated performance parameters, sensitivity, figure of merit, and detection accuracy, are 275.2 \(\mathrm{Degree}/\mathrm{RIU}\), 43.1 \({\mathrm{RIU}}^{-1}\), and 0.16 \({\mathrm{Degree}}^{-1}\), respectively. The sensitivity of the proposed sensor is 1.38 times the conventional sensor.

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Metadata
Title
PtSe2 and black phosphorus employed for sensitivity improvement in the surface plasmon resonance sensor
Authors
Bhishma Karki
Gufranullah Ansari
Arun Uniyal
Vivek Srivastava
Publication date
15-11-2022
Publisher
Springer US
Published in
Journal of Computational Electronics / Issue 1/2023
Print ISSN: 1569-8025
Electronic ISSN: 1572-8137
DOI
https://doi.org/10.1007/s10825-022-01975-w

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