Graphene-coated holey metal films: tunable molecular sensing by surface plasmon resonanceReport as inadecuate



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


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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 microns. 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.



Author: Nicolas Reckinger; Alexandru Vlad; Sorin Melinte; Jean-Francois Colomer; Michael Sarrazin

Source: https://archive.org/







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