期刊
APPLIED PHYSICS LETTERS
卷 102, 期 21, 页码 -出版社
AMER INST PHYSICS
DOI: 10.1063/1.4808095
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资金
- Belgian Fund for Scientific Research (F.R.S.-FNRS) under the FRFC contract Chemographene [2.4577.11]
- Belgian Fund for Scientific Research (F.R.S.-FNRS) via the FRFC Project [2.4510.11]
- F.R.S.-FNRS
- F.R.S.-FNRS [2.4617.07]
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 mu m. 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. (C) 2013 AIP Publishing LLC.
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