El barghouti, M. and Akjouj, A. and Mir, A. (2019) Reticular plasmon resonance detection properties of metal nanoparticles. Physica E: Low-Dimensional Systems and Nanostructures, 110. pp. 107-114.

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Abstract

The theoretical study of the detection properties of network plasmon resonances, supported here by gold, nanoparticles (form T) and graphene expressed in terms of sensitivity and figure of Merit (FoM). The expressions of sensitivity and FoM for changes in geometric parameters of surface nanostructures are derived to establish the relationship between sensor detection performance parameters and enabling biosensor design of nanoparticles with optimum detection performance. The sensitivity of the proposed biosensor is improved using two methods. First, the layers of graphene are covered with nanoparticles, which have been discussed and, it has proved that the sensitivity can be improved. Second, the influence's angle of incidence of the wave excited the network on the sensitivity. Finally, the improvement of the sensitivity and the FoM using the structure is revealed in these two methods. The maximum sensitivity ∼505.47 nm/RIU is obtained with coating of graphene layers and angle of incidence oblique to the surface. © 2019 Elsevier B.V.

Item Type: Article
Uncontrolled Keywords: Biosensors; Gold nanoparticles; Graphene; Nanometals; Plasmons; Sensors; Surface plasmon resonance, Angle of Incidence; Detection performance; Factor of merits; Figure of merit (FOM); Localized surface plasmon resonance; Maximum sensitivity; Sensitivity; Surface nanostructure, Metal nanoparticles
Subjects: Materials Science
Divisions: SCIENTIFIC PRODUCTION > Materials Science
Depositing User: Administrateur Eprints Administrateur Eprints
Last Modified: 31 Jan 2020 15:48
URI: http://eprints.umi.ac.ma/id/eprint/3622

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