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

被引：59

作者：

Reckinger, Nicolas ^{[1
]}

Vlad, Alexandru ^{[2
]}

Melinte, Sorin ^{[2
]}

Colomer, Jean-Francois ^{[1
]}

Sarrazin, Michael ^{[1
]}

机构：

[1] Univ Namur, Dept Phys, Res Ctr Phys Matter & Radiat PMR, B-5000 Namur, Belgium

[2] Catholic Univ Louvain, Inst Informat Commun Technol Elect & Appl Math, B-1348 Louvain, Belgium

来源：

APPLIED PHYSICS LETTERS | 2013年 / 102卷 / 21期

关键词：

LARGE-AREA;

D O I：

10.1063/1.4808095

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

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.

引用

页数：4

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