Sensitivity parameter analysis of graphene based bimetallic surface plasmon resonance biosensor

被引：3
|
作者：
Mohanty, Goutam [1 ]
Sahoo, Bijay Kumar [1 ]
Akhtar, Jamil [2 ]
机构：
[1] NIT Raipur, Dept Phys, Raipur 492010, Madhya Pradesh, India
[2] CEERI, CSIR, Sensor & Nanotechnol Grp, Pilani 333001, Rajasthan, India
来源：
JOURNAL OF NANO RESEARCH | 2015年 / 34卷
关键词：
Ag/Au bilayer; graphene; SPR biosensor; sensitivity parameter; SENSORS;
D O I：
10.4028/www.scientific.net/JNanoR.34.17
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
In this paper, we have studied theoretically the effect of bimetallic silver/gold layer on sensitivity of the graphene based surface plasmon resonance (SPR) biosensor. Here, silver layer (instead of chromium and titanium) is used as an adhesive layer in between gold and BK7 glass prism. The optimized thickness of silver/gold layers reported in literature has been used for the analysis of various sensitivity parameters of the biosensor. A computational simulation is performed to analyze the nature of plasmon dip shift with respect to the addition of graphene layer and binding layer respectively.
引用
收藏
页码：17 / 21
页数：5
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