Graphene-coated holey metal films: Tunable molecular sensing by surface plasmon resonance

Nicolas Reckinger; Alexandru Vlad; Sorin Melinte; Jean-François Colomer; Michaël Sarrazin

doi:10.1063/1.4808095

Graphene-coated holey metal films: Tunable molecular sensing by surface plasmon resonance

Nicolas Reckinger, Alexandru Vlad, Sorin Melinte, Jean-François Colomer, Michaël Sarrazin

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Abstract

We report on the enhancement of surface plasmon resonances in a holey bidimensional grating of subwavelength size, drilled in a gold thin film coated by a graphene sheet. The enhancement originates from the coupling between charge carriers in graphene and gold surface plasmons. The main plasmon resonance peak is located around 1.5 μm. A lower constraint on the gold-induced doping concentration of graphene is specified and the interest of this architecture for molecular sensing is also highlighted.

Original language	English
Article number	211108
Number of pages	4
Journal	Applied Physics Letters
Volume	102
Issue number	21
DOIs	https://doi.org/10.1063/1.4808095
Publication status	Published - 2013

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10.1063/1.4808095

1304.3291v2Accepted author manuscript, 1.85 MB

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abstract = "We report on the enhancement of surface plasmon resonances in a holey bidimensional grating of subwavelength size, drilled in a gold thin film coated by a graphene sheet. The enhancement originates from the coupling between charge carriers in graphene and gold surface plasmons. The main plasmon resonance peak is located around 1.5 μm. A lower constraint on the gold-induced doping concentration of graphene is specified and the interest of this architecture for molecular sensing is also highlighted.",

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AU - Colomer, Jean-François

AU - Sarrazin, Michaël

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Graphene-coated holey metal films: Tunable molecular sensing by surface plasmon resonance

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Graphene-coated holey metal films: Tunable molecular sensing by surface plasmon resonance

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