Tuning and Sensitivity Improvement of Bi-Metallic Structure-Based Surface Plasmon Resonance Biosensor with 2-D ε-Tin Selenide Nanosheets

被引：0
|
作者：
Sathya, Natarajan [1 ]
Karki, Bhishma [2 ]
Rane, Kantilal Pitambar [3 ]
Jha, Ankit [4 ]
Pal, Amrindra [4 ]
机构：
[1] Sci Soc Grp, Engn Dept, Pudukkottai, Tamil Nadu, India
[2] Tribhuvan Univ, Dept Phys, Trichandra Multiple Campus, Kathmandu 44600, Nepal
[3] KCE COEM Jalgaon, Jalgaon, Maharashtra, India
[4] DIT Univ, Dept EECE, Dehra Dun 248009, Uttarakhand, India
来源：
PLASMONICS | 2022年 / 17卷 / 03期
关键词：
Surface plasmon resonance; Sensitivity; epsilon-Tin selenide nanosheets; Biosensor; THERMAL-CONDUCTIVITY; SPR SENSOR; DESIGN; PERFORMANCE; CHIP;
D O I：
10.1007/s11468-021-01565-9
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
This manuscript aims to analyze the effect of tin selenide (SnSe) on the sensing application of SPR biosensors. Tin selenide is the 2-dimensional transition metal dichalcogenide material. The proposed multilayer structure has a BK7 prism, a bimetallic layer of Au, tin selenide, and a graphene layer. Tin selenide is used to improve the performance parameters of the biosensor. The epsilon - SnSe nanosheet is placed in between two layers of gold (Au) in the Kretschmann configuration. The proposed configuration has a maximum sensitivity of 214 deg/RIU, 93.81% higher than the conventional sensor. The performance parameters like full width half maximum, detection accuracy, and quality factor have been analyzed. The epsilon - SnSe material is an air-stable 2-D. The proposed sensor is suitable for the analysis of chemical, medical, and biological analytes.
引用
收藏
页码：1001 / 1008
页数：8
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