Plasmon-polaritons on graphene-metal surface and their use in biosensors

被引:156
|
作者
Salihoglu, Omer [1 ]
Balci, Sinan [2 ]
Kocabas, Coskun [1 ]
机构
[1] Bilkent Univ, Dept Phys, TR-06800 Ankara, Turkey
[2] Univ Turkish Aeronaut Assoc, Dept Mech Engn, TR-06790 Ankara, Turkey
关键词
RESONANCE; CARBON; PHOTODETECTORS; TRANSISTORS;
D O I
10.1063/1.4721453
中图分类号
O59 [应用物理学];
学科分类号
摘要
We studied excitation of surface plasmon-polaritons on graphene-metal surface. The metal surface is functionalized by transfer printing of graphene grown by chemical vapor deposition on copper foils. Surface plasmon resonance characteristics of monolayer and multilayer graphene on the metal surface are presented. We were able to obtain the dispersion relation of graphene-metal surface which reveals the essential feature of the plasmon-polaritons. As an application, we fabricated a surface plasmon resonance sensor integrated with a microfluidic device to study nonspecific physical interaction between graphene layer and proteins. (C) 2012 American Institute of Physics. [http://dx.doi.org/10.1063/1.4721453]
引用
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页数:5
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