Sensitivity Parameter Analysis of Graphene Based Bimetallic Surface Plasmon Resonance Biosensor

Goutam Mohanty; Bijaya Kumar Sahoo; Jamil Akhtar

doi:10.4028/www.scientific.net/JNanoR.34.17

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HomeJournal of Nano ResearchJournal of Nano Research Vol. 34Sensitivity Parameter Analysis of Graphene Based...

Sensitivity Parameter Analysis of Graphene Based Bimetallic Surface Plasmon Resonance Biosensor

Abstract:

In this paper, we have studied theoretically the effect of bimetallic silver/ gold layer on sensitivity of the graphene based surface plasmon resonance (SPR) biosensor. Here, silver layer (instead of chromium and titanium) is used as an adhesive layer in between gold and BK7 glass prism. The optimized thickness of silver/gold layers reported in literature has been used for the analysis of various sensitivity parameters of the biosensor. A computational simulation is performed to analyze the nature of plasmon dip shift with respect to the addition of graphene layer and binding layer respectively.

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Journal of Nano Research (Volume 34)

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17-21

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https://doi.org/10.4028/www.scientific.net/JNanoR.34.17

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Online since:

July 2015

Authors:

Goutam Mohanty, Bijaya Kumar Sahoo*, Jamil Akhtar

Keywords:

Ag/Au Bilayer, Graphene, Sensitivity Parameter, SPR Biosensor

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