Design, optimization and critical analysis of graphene based surface plasmon resonance sensor for DNA hybridization

被引：7
|
作者：
Kumar, Yagyesh [1 ]
Mishra, Rishi [1 ]
Panwar, Ekta [2 ]
Kaur, Jaswinder [3 ]
Panwar, Ravi [1 ]
机构：
[1] Indian Inst Informat Technol Design & Mfg Jabalpu, Discipline Elect & Commun Engn, Jabalpur, India
[2] Indian Inst Technol Roorkee IIT Roorkee, Dept Biotechnol, Roorkee, Uttar Pradesh, India
[3] Thapar Inst Engn & Technol, Dept Elect & Commun Engn, Patiala, Punjab, India
来源：
OPTICAL AND QUANTUM ELECTRONICS | 2019年 / 51卷 / 10期
关键词：
Surface plasmon resonance; Graphene; Plasmons; Chemical potential; Sensitivity; SENSITIVITY ENHANCEMENT; SIMULATION; BIOSENSOR; SILICON;
D O I：
10.1007/s11082-019-2057-8
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
In this paper, the design, optimization and critical analysis of Surface Plasmon Resonance sensor is presented, which works on angular interrogation method. It comprises of five layers which are "Prism-Copper-Germanium-Graphene-Sensing medium". The influence of the chemical potential (mu(c)) of graphene on the sensor performance has been studied in detail. Thickness of all the layers has been optimized. Remarkable results are achieved for the optimal thickness of copper and germanium layers as 50 nm and 6 nm respectively, while two layers of graphene having mu(c) of 0.5 eV are introduced to boost-up the performance. Best results in terms of detection accuracy, sensitivity and quality factor have been achieved that fulfill the necessary requirements for good sensing applications.
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页数：12
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