SPR performance enhancement for DNA hybridization employing black phosphorus, silver, and silicon

We present the performance enhancement of the surface plasmon resonance (SPR) sensor for deoxyribonucleic acid (DNA) hybridization employing black phosphorus (BP), silver (Ag), and silicon (Si) configurations and numerical analysis. The combination of Ag and BP demonstrates the sensitivity of 91.54°...

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Bibliographic Details
Published in:Applied optics (2004) 2020-08, Vol.59 (24), p.7299
Main Authors: Vasimalla, Yesudasu, Shekhar Pradhan, Himansu, Jashvantbhai Pandya, Rahul
Format: Article
Language:English
Subjects:
Deoxyribonucleic acid
DNA
Figure of merit
Graphene
Numerical analysis
Performance enhancement
Phosphorus
Q factors
Silicon
Silver
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Summary:We present the performance enhancement of the surface plasmon resonance (SPR) sensor for deoxyribonucleic acid (DNA) hybridization employing black phosphorus (BP), silver (Ag), and silicon (Si) configurations and numerical analysis. The combination of Ag and BP demonstrates the sensitivity of 91.54°/RIU with degradation of detection accuracy (DA), quality factor (QF), and figure of merit (FOM). To enhance the DA, QF, and FOM, a novel SPR is proposed with Si, which demonstrates a DA and QF of 69 and 1061.6 R I U − 1 , which are 8.53 and 11.04 times, and an FOM of 554.58, which is 4.47 and 5.77 times higher than both the conventional and graphene-based SPR sensors, respectively.
ISSN:1559-128X
2155-3165
DOI:10.1364/AO.397452