In this paper, we propose the implementation of few layers of 2D materials in plexcitonic sensor for sensitivity enhancement. The positioning of the graphene layer implantation in such structure affects the sensitivity. The presence of graphene in contact with analyte offers ∼14% increase in the sensitivity of a bare plexcitonic sensor. Also, the performance of the sensor with the application of other 2D materials such as black phosphorus and MoShas been studied. It is found that among graphene and black phosphorous, though MoSoffers highest sensitivity yet, low operating range limits its appropriateness. We believe that this study will provide a new insight in the applicability of 2D materials for sensing application.
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A key challenge in the field of plexcitonic quantum devices is the fabrication of solid-state, device-friendly plexcitonic nanostructures using inexpensive and scalable techniques. Lithography-free, bottom-up nanofabrication methods have remained relatively unexplored within the context of plexcitonic coupling. In this work, a plexcitonic system consisting of thermally dewetted plasmonic gold nanoislands (AuNI) coated with a thin film of J-aggregates was investigated.
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A correction to this article has been published and is linked from the HTML and PDF versions of this paper. The error has been fixed in the paper.
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